12-Letter Words Starting with S

All 336 twelve-letter words that start with S

SA

• sabermetrics18n. The analysis of baseball, especially via its statistics.
• sacramentary19n. An ancient book of the Roman Catholic Church, containing the rites for...
• sacrilegious15adj. Committing sacrilege; acting or speaking very disrespectfully toward...
• sacroiliitis14n. Inflammation of the sacroiliac joint.
• sadistically18adv. In a sadistic manner.
• safeguarding18n. Synonym of protection.
• salesmanship19n. The art or skill of selling products, services or ideas through...
• salinization21n. The act of salinizing, or the state of being salinized.
• saloonkeeper18n. Someone who owns or operates a saloon (drinking establishment).
• salutatorian12n. The person who graduates high school with the second-highest GPA and...
• salvationist15adj. Relating to the doctrine of salvation.
• sanctionable16adj. That can be sanctioned.
• sandblasting16n. The process by which something is sandblasted.
• sandboarding17n. A recreational activity resembling snowboarding but performed on sand...
• sanitization21n. The act of sanitizing something.
• sarcoplasmic20adj. Of or pertaining to the sarcoplasm.
• sardonically18adv. In a sardonic manner.
• sarsaparilla14n. Any of various tropical (Central and South) American vines of the genus...
• sartorialist12n. A person who practices or is interested in sartorialism.
• satisfaction17n. A fulfilment of a need or desire.
• satisfactory20adj. Done to satisfaction; adequate or sufficient.
• satisfyingly22adv. In a satisfying manner.

SC

• scandalizing25adj. Tending to cause a scandal; scandalous.
• scandalously18adv. In a scandalous manner.
• scapegoating18n. The act of making somebody a scapegoat.
• scatological17adj. Relating to the research area of scatology, the particulate study of...
• scatterbrain16n. A flighty, disorganized or forgetful person.
• scenographer20n. A person who designs sets for film or television.
• scenographic22adj. Of or pertaining to scenography.
• schistocerca21n. Any large grasshopper of the genus Schistocerca.
• schoolfriend21n. A friend from one's school.
• schoolmaster19n. A male teacher.
• scientifical19adj. Of or pertaining to the scientific method.
• scintigraphy23n. A radiographic technique, using radioactive tracers, for the diagnosis...
• scintillator14n. Any substance that glows under the action of photons or other...
• scorekeeping21n. The keeping of score.
• scorpionfish22n. Any of the family Scorpaenidae of mostly marine fish, including many of...
• scrapbooking23n. The process of making a scrapbook.
• scratchboard22n. A technique in which drawings are created using sharp knives and tools...
• screenwriter17n. One who writes for the screen, who writes drama for film or television...
• scripturally19adv. According to scripture.
• scriptwriter19n. A person who writes scripts.
• scrupulosity19n. The property of being scrupulous; excessive attention to scruples.
• scrupulously19adv. In a careful manner, with scruple; done with careful attention to...
• scrutinising15adj. Of an action that scrutinises.
• sculpturally19adv. In terms of, or by means of, sculpture.

SE

• seamlessness14n. The state or quality of being seamless.
• secessionism16n. The doctrine or policy of secession.
• secessionist14n. A person who secedes or supports secession from a political union or an...
• secobarbital18n. A barbiturate C₁₂H₁₈N₂O₃ that is used chiefly in the form of its bitter...
• secretagogue16n. A substance which promotes secretion of another, such as a hormone...
• sectarianism16n. Rigid adherence to a particular sect, denomination, ideology, or party.
• sectionalism16n. Promoting the good of one division, department or subgroup over that of...
• segmentation15n. The act or an instance of dividing into segments.
• seismologist15n. A person who is skilled at, professes, or practices seismology.
• selflessness15n. The quality or state of being selfless.
• semantically19adv. In the manner of or referring to semantics.
• semialdehyde22n. The monoaldehyde of a dicarboxylic acid; those of some amino acids are...
• semiannually17adv. In a semiannual manner, twice yearly.
• semicircular18adj. In the shape of half of a circle or a semicircle.
• semidefinite18adj. Not entirely definite; somewhat vague or undefined.
• semifinalist17n. A person who competes in the semifinals, the winner of which goes on to...
• seminiferous17adj. Producing seed.
• semipalmated19adj. Of birds, having webs between some, but not all, of the toes.
• semitropical18adj. Intermediate between temperate and tropical.
• sensorimotor14adj. Of or pertaining to both sensory and motor activity.
• sensuousness12n. The property of being sensuous.
• separability19n. The property of being separable.
• separateness14n. The property of being separate.
• sequentially24adv. In sequence, in order.
• serializable23adj. That can be serialized.
• seronegative16adj. Testing negative for a given pathogen, especially HIV. (of blood serum).
• seropositive17adj. Of blood serum, testing positive for a given pathogen, especially HIV...
• serotonergic15adj. Containing or releasing serotonin.
• serpentinite14n. A metamorphic rock composed of serpentine minerals formed by the...
• serviceberry22n. Several species of trees in the genus Sorbus, especially Sorbus...
• servicewoman22n. A woman who serves in the armed forces.
• severability20n. The quality of being severable.

SH

• shadowboxing29n. A form of solo exercise, involving throwing punches at the air, and not...
• shamefacedly26adv. In a shamefaced manner.
• shapeshifter23n. A person or creature capable of changing their appearance or form at...
• sharecropper21n. A person who enters a sharecropping agreement with a land owner; one...
• shareholding20adj. Owning shares.
• sharpshooter20n. A person trained to shoot precisely with a rifle; a marksman.
• shatteringly19adv. In a shattering manner.
• shatterproof20adj. Resistant to shattering; difficult to break.
• sheepherding22n. The activity of herding sheep.
• shieldmaiden19n. A female virgin who had chosen to fight as a warrior in battle.
• shipbreaking24n. The breaking up of a ship for scrap recycling.
• shipbuilding21n. The construction of ships.
• shirtsleeves18n. Street clothes, without a jacket or special protection.
• showbusiness20n. The entertainment industry.
• showstopping23adj. Characteristic of a showstopper; breathtaking.
• shuffleboard24n. A game that involves sliding a puck or coin towards a target.
• shuttlecraft20n. A relatively small spacecraft, usually capable of atmospheric transport.

SI

• sidestepping18n. The act of taking a (physical or figurative) sidestep.
• significance20n. The extent to which something matters; importance.
• silviculture17n. The care and development of forests in order to obtain a product or...
• simultaneity17n. The quality or state of being simultaneous; simultaneousness.
• simultaneous14adj. Happening at the same moment.
• singleminded17adj. Very focused; having a single goal, purpose, or idea.
• singleplayer18adj. Played by a lone (1) player.
• sinusoidally16adv. In a sinusoidal manner.
• siphonophore22n. Any transparent marine hydrozoans, of the order Siphonophorae, that...
• situationism14n. A school of thought which holds that personality is more influenced by...
• situationist12adj. Pertaining to situationism.

SK

• skateboarder19n. A person who rides a skateboard.
• skeletonized26adj. Reduced to a skeleton.
• skeuomorphic25adj. Pertaining to skeuomorphs, obsolete design elements which are retained...
• skillfulness19n. The state or quality of being adept or skillful.
• skimboarding22n. A form of surfing in shallow water near a beach.
• skittishness19n. The property of being skittish.

SL

• slaughtering17n. An act of slaughter; a killing.
• slaveholding20adj. Having possession/ownership of one or more slaves.
• sledgehammer21n. A hammer that consists of a large, heavy, broad and flat block of metal...
• sleepwalking22n. The act of walking while not conscious or aware of it, during one's...
• slipperiness16n. The property of being slippery.
• sloganeering14n. The act of one who sloganeers.
• slothfulness18n. The state or quality of being slothful.
• slovenliness15n. The state or quality of being slovenly.
• sluggishness17n. The property of being sluggish, unable or unwilling to act quickly.

SM

• smallholding19n. A small farm.
• smartglasses15n. Glasses worn to provide software functions through augmented reality.

SN

• snaggletooth17n. A tooth inside the mouth that is unaligned or broken.
• snobbishness19n. The state or quality of being snobbish.
• snowboarding19n. The sport of sliding downhill on a snowboard.
• snowmobiling20n. The use of a snowmobile for amusement.

SO

• sociobiology20n. The science that applies the principles of evolutionary biology to the...
• sociological17adj. Of or pertaining to sociology.
• solarization21n. Exposure to the rays of the sun.
• solicitation14n. The action or instance of soliciting; petition; proposal.
• solicitously17adv. In a solicitous manner.
• somatization23n. The generation of physical symptoms of a psychiatric condition such as...
• somatostatin14n. A cyclopeptide hormone, secreted by the pancreas, that inhibits the...
• somatotropin16n. Synonym of growth hormone.
• somnambulant18adj. Walking as if, or while, asleep; sleepwalking.
• somnambulism20n. Sleepwalking.
• somnambulist18n. A person who walks about in their sleep; a sleepwalker.
• sonification17n. The process of sonifying.
• sophisticate19v. To make (something) less innocent or natural; to artificialize.
• soullessness12n. The state of being soulless.
• southcentral17adj. Relating to the central part of a southern region.
• southeastern15adj. Of or pertaining to the southeast.
• southernmost17adj. Farthest south.
• southernwood19n. An aromatic shrub, Artemisia abrotanum, related to wormwood.
• southwestern18adj. Of or pertaining to the southwest.

SP

• spaciousness16n. The state or quality of being spacious.
• speakerphone23n. A telephone with a microphone and loudspeaker separate from those in...
• spearfishing21n. A form of fishing in which the fisherman attempts to impale the fish...
• specifically24adv. In a specific manner, applying to or naming a particular thing or...
• spectrograph22n. A machine for recording spectra, producing spectrograms.
• spectrometer18n. An optical instrument for measuring the absorption of light by chemical...
• spectrometry21n. The measurement of the wavelength of electromagnetic radiation...
• spectroscope20n. An optical instrument used for spectrographic analysis .
• spectroscopy23n. The scientific study of spectra.
• speechifying26n. The art of making speeches; rhetoric or oratory.
• speechmaking26n. The delivery of speeches.
• speechwriter22n. Someone who writes speeches for others, especially as a profession.
• speedrunning16n. The practice of making speedruns.
• spellbinding18adj. Engrossing; fascinating; gaining rapt attention; captivating.
• spellcasting17n. The casting of magic spells.
• spermatozoon25n. A reproductive cell or gamete of a male, carried in semen, that...
• sphingolipid21n. Any lipid, such as sphingomyelin, that is derived from sphingosine or...
• spinsterhood18n. The condition of being a spinster.
• spiritedness15n. The property of being spirited, of having spirit.
• spiritualism16n. A doctrine, opposing materialism, that claims transcendency of the...
• spiritualist14n. One who professes a regard for spiritual things only; one whose...
• spirituality17n. The quality or state of being spiritual.
• spiritualize23v. To make spiritual; to invoke spirituality.
• spitefulness17n. The state or quality of being spiteful.
• splenomegaly20n. Enlargement of the spleen (process); an enlargement of the spleen...
• spokesperson20n. A person who acts as the voice of another person or a group of people.
• spooktacular20adj. Spooky and spectacular; wonderfully frightening.
• sporadically20adv. At an occasional, infrequent, or irregular frequency.
• sportfishing21n. Fishing for pleasure or competition, as opposed to commercial fishing.
• sportscaster16n. One who reports sporting events on television or radio.
• sportsground16n. A large outdoor area for playing sport; a stadium, pitch, etc.
• sportsperson16n. Someone who plays sport, regardless of gender.

ST

• staggeringly18adv. To a breathtaking degree.
• stainedglass14adj. Made of stained glass.
• standardbred17n. A breed of horse bred specifically for harness racing.
• standardised15adj. Designed in a standard manner or according to an official or accepted...
• standardized24adj. Designed or constructed in a standard manner or according to an...
• stationarity15n. The condition of being stationary.
• statistician14n. A person who compiles, interprets, or studies statistics.
• stealthiness15n. The property of being stealthy.
• steeplechase19n. A horse race, either across open country, or over an obstacle course.
• stellenbosch19v. To shift sideways.
• stenographer18n. Someone skilled in the writing of shorthand or the use of a stenotype...
• stenographic20adj. Of or pertaining to stenography.
• stepdaughter19n. The daughter of one's spouse from a previous relationship.
• stereoisomer14n. One of a set of the isomers of a compound that exhibits stereoisomerism.
• stereophonic19adj. Of or pertaining to sound reproduction using two or sometimes more...
• stereopticon16n. A magic lantern, especially one with two projectors arranged so as to...
• stereoscopic18adj. Of or relating to stereoscopy; three-dimensional.
• stereotactic16adj. Stereotaxic.
• stereotyping18n. The process of making something into a stereotype.
• stockbroking25n. The profession of a stockbroker.
• stockholding23n. An ownership interest in one or more companies' stock.
• stonecutting15n. The hewing or dressing of stone.
• stonemasonry17n. The work or art of a stonemason.
• stonewalling16n. A refusal to answer or to cooperate.
• stormbringer17n. A strong wind that brings storms.
• stormtrooper16n. A soldier trained in special infiltration tactics.
• storytelling16n. The act and skills of presenting stories and tales.
• stouthearted16adj. Brave, courageous and plucky.
• straightaway22adj. Extending into the distance in a straight line.
• straightedge18n. A flat, rectangular tool used to draw, cut or check the straightness of...
• straightener16n. A pair of metal tongs with heated ceramic plates used for straightening...
• straightline16v. To answer a survey by selecting answers in a downwards straight line.
• straightness16n. The result or product of being straight.
• straitjacket25n. A jacketlike garment with very long sleeves which can be secured in...
• stranglehold17n. A grip or control so strong as to stifle or cut off.
• strangulated14adj. Having the circulation stopped by compression; attended with arrest or...
• strategizing23n. The formulation of a strategy.
• stratigraphy21n. The study of rock layers and the layering process (stratification).
• stratosphere17n. The region of the uppermost atmosphere where the temperature increases...
• streamlining15n. The process by which something is streamlined.
• streetcorner14adj. Acting or appearing on the street corner.
• streetwalker19n. A prostitute who looks for customers on the streets and in other public...
• strengthener16n. One who, or that which, gives or adds strength.
• streptavidin18n. A tetrameric protein purified from Streptomyces avidinii that binds...
• streptomyces21n. Any of several bacteria, of the genus Streptomyces, found in soil...
• streptomycin21n. An aminoglycoside and bactericidal antibiotic C₂₁H₃₉N₇O₁₂ that is...
• stridulation13n. A high-pitched chirping, grating, hissing, or squeaking sound, as male...
• stridulatory16adj. Able to stridulate, used in stridulating, or adapted for stridulation.
• stroboscopic20adj. Of, relating to, or produced by a stroboscope.
• stromatolite14n. A laminated, columnar, rock-like structure constituting a large share...
• strophanthus20n. Any of several African plants of the genus Strophanthus, some of which...
• structurally17adv. In terms of structure.
• stubbornness16n. The state of being stubborn.
• studiousness13n. The state or quality of being studious.
• stupefaction19n. The state of extreme shock or astonishment.
• stupefyingly24adv. In a stupefying manner.
• stupendously18adv. In a stupendous manner.

SU

• subantarctic18adj. Pertaining to a region in the Southern Hemisphere immediately north of...
• subarachnoid20adj. Located or occurring below the arachnoid mater, often specifically...
• subcommander21n. A commander who is subordinate in rank.
• subcommittee20n. A committee formed by an existing committee, comprising a subset of its...
• subcommunity23n. A community that exists as part of a larger community.
• subcomponent20n. A lesser or secondary component.
• subconscious18adj. Occuring in the part of our mind that we are not normally aware of.
• subcontinent16n. A large landmass which is either smaller than a continent (such as...
• subcutaneous16adj. Pertaining to the fatty layer under the skin.
• subdirectory20n. A directory located inside another directory.
• subjectively29adv. In a subjective manner.
• subjectivism28n. The doctrine that reality is created or shaped by the mind.
• subjectivist26adj. Regarding subjective experience as fundamental.
• subjectivity29n. The state of being subjective.
• subliminally19adv. In a subliminal manner.
• sublingually18adv. Under the tongue.
• submaxillary26adj. Situated under the maxilla, or lower jaw; inframaxillary.
• subminiature16adj. Compact or smaller than miniature.
• submissively22adv. In a submissive manner.
• suboccipital20adj. Situated under, or posterior to, the occiput.
• subparagraph22n. Part of a longer paragraph that can be considered alone, as in a legal...
• subrecipient18n. The organization that receives a subaward.
• subscription18n. Access to a resource for a period of time, generally for payment.
• subsequently26adv. Following, afterwards in either time or place.
• subservience19n. The state of being subservient.
• subsidiarity18n. The principle that initiative (whether in government, business or...
• subspecialty21n. A specialty within a specialty.
• substantiate14v. To verify something by supplying evidence; to authenticate or...
• substitution14n. The act of substituting or the state of being substituted.
• substitutive17adj. Characteristic of, or serving as a substitute.
• substructure16n. The supporting part of a structure (either physical or organizational...
• subterranean14adj. Below ground, under the earth, underground.
• subthreshold21adj. Of a stimulus: not strong enough to elicit a response.
• subversively23adv. In a subversive manner.
• subwatershed21n. Any of several parts of a watershed that drain to a specific location.
• successfully22adv. In a successful manner; with success; without failing.
• successional16adj. Of, related to or caused by succession.
• successively22adv. In a serial or successive manner; one following another.
• succinctness18n. The property of being succinct, conciseness.
• sufficiently23adv. In a sufficient manner; enough.
• suggestively20adv. In a suggestive manner.
• sulfadiazine25n. A sulfonamide antibiotic that works by halting the production of folic...
• sulfonylurea18n. Any of a class of antidiabetic drugs that act by increasing insulin...
• sulforaphane20n. An antimicrobial compound, 1-isothiocyanato-4-methylsulfinylbutane...
• supercarrier16n. The largest type of aircraft carrier, usually displacing over 70,000...
• supercharged21adj. Equipped with a supercharger.
• supercharger20n. An inlet air compressor for an internal combustion engine (either Otto...
• supercilious16adj. Arrogantly superior; showing contemptuous indifference; haughty.
• supercluster16n. An extended group of clusters of galaxies.
• supercoiling17n. The coiling of the DNA helix upon itself, which can disrupt...
• supercooling17n. The process by which a material is supercooled.
• supergravity21n. A field theory combining supersymmetry and general relativity.
• superheating18n. The heating of a substance above a temperature at which a change of...
• superheroics19n. The actions (heroics) of a superhero.
• superhighway27n. An expressway, especially one designed for high speeds.
• superhumanly22adv. In a superhuman way, or to a superhuman extent.
• superimposed19adj. Positioned on or above something else, especially in layers; superposed.
• superlattice16n. A material, especially a semiconductor, with periodically alternating...
• superluminal16adj. Faster than light; having a speed greater than light.
• supermassive19adj. Extremely massive; of extraordinary mass.
• supernatural14adj. Above nature; beyond or added to nature, often so considered because it...
• superplastic18adj. Exhibiting superplasticity.
• superpowered20adj. Very highly powered.
• supersession14n. The act of superseding; the fact of having been superseded.
• supersoldier15n. Synonym of supermajor (“very large soldier ant”).
• superstardom17n. The status or position of a superstar.
• superstation14n. A television station that broadcasts nationwide by means of a satellite...
• superstition14n. A belief considered to be irrational, unfounded, or based solely on...
• supervenient17adj. In a relationship with another set such that membership in the other...
• supervillain17n. A fantasy-fiction criminal or evildoer, often with supernatural powers...
• supervolcano19n. A powerful volcano, often having an explosive or cataclysmic eruption.
• supplemental18adj. Acting to supplement.
• supplication18n. An act of supplicating; a humble request.
• supportively22adv. In a supportive way.
• supranuclear16adj. Above the level of the motor neurons.
• supraorbital16adj. Located immediately above the eye sockets, where in humans the eyebrows...
• surmountable16adj. Able to be surmounted or overcome; defeatable.
• surpassingly18adv. In a surpassing manner; exceptionally.
• surprisingly18adv. In a way that causes surprise because it is unexpected, or unusual.
• surrealistic14adj. Surreal.
• surrendering14n. An act of surrender.
• surroundings14n. The area surrounding someone or something, together with the objects...
• surveillance17n. Close observation of an individual or group; person or persons under...
• survivorship23n. The state of being a survivor.
• suspiciously19adv. In a way suggesting suspicion.

SW

• swashbuckler26n. A swordsman or fencer who engages in showy or extravagant swordplay.

SY

• symbolically24adv. In a symbolic manner.
• sympathising23adj. Sympathetic.
• sympathizing32n. The act of one who sympathizes; the offering of sympathy.
• symptomology25n. Symptomatology.
• synaesthesia18n. A neurological or psychological phenomenon whereby a particular sensory...
• synaesthetic20adj. Experiencing synaesthesia; describing a synaesthete.
• synapomorphy27n. A derived trait that is shared by two or more taxa of shared ancestry.
• synchronised21adj. Operating in unison, in a state of synchronisation.
• synchronized30adj. Having attained synchronization, together, coordinated, combined.
• synchronizer29n. Part of a synchromesh manual transmission that allows the smooth...
• syncretistic19adj. Relating to the merging of two ideals, organizations or languages into...
• synonymously23adv. In a synonymous way.
• synthesizing28n. An act of making synthesis.
• systematical19adj. Systematic.
• systemically22adv. In a systemic manner.

Questions about these words

How many twelve-letter words that start with S are there?

Word.ws lists 336 twelve-letter words that start with S, plus 3,326 rare ones.

What are common twelve-letter words that start with S?

specifically, successfully, subsequently, significance, surveillance, satisfaction, surprisingly and subscription.

Which of the twelve-letter words that start with S has the highest letter score?

sympathizing scores 32 points with the standard letter tile values.

Related word lists

• 12-Letter Words
• Words That Start with S
• 11-Letter Words Starting with S
• 13-Letter Words Starting with S
• Q Words Without U