8-Letter Words Starting with I

All 279 eight-letter words that start with I

IB

• ibogaine11n. A naturally-occurring psychoactive compound found in a number of...
• ibotenic12adj. Relating to ibotenic acid and its derivatives.

IC

• icebound13adj. Completely surrounded by ice and therefore unable to move.
• icehouse13n. A warehouse for the storage of ice for commercial purposes.
• icemaker16n. A device found in a freezer that is used to make ice.
• ickiness14n. The state or condition of being icky.

ID

• idealism11n. The property of a person of having high ideals that are usually...
• idealist9n. One who adheres to idealism.
• ideality12n. The quality or state of being ideal.
• idealize18v. To regard something as ideal.
• ideation9n. The conceptualization of a mental image.
• identify15v. To establish the identity of someone or something.
• identity12n. Sameness, identicalness; the quality or fact of (several specified...
• ideogram12n. A picture or symbol which represents the idea of something without...
• ideology13n. Doctrine, philosophy, body of beliefs or principles belonging to an...
• idiolect11n. The language variant used by a specific individual.
• idleness9n. The state of being idle; inactivity.
• idolater9n. One who worships idols; (historical) a pagan.
• idolatry12n. The worship of idols.

IG

• ignition9n. The act of igniting.
• ignominy14n. Great dishonor, shame, or humiliation.
• ignorant9adj. Unknowledgeable or uneducated; characterized by ignorance.
• ignoring10n. The act by which something is ignored.

IL

• illative11adj. Of, or relating to an illation.
• illiquid18adj. Not readily converted into cash.
• illumine10v. To shine light on (something).
• illusion8n. A distortion of sensory perception where real stimuli lead to a false...
• illusive11adj. Subject to or pertaining to an illusion, often used in the sense of an...
• illusory11adj. Resulting from an illusion; deceptive, imaginary, unreal.
• illustre8adj. Synonym of illustrious.
• ilmenite10n. A weakly magnetic dark gray mineral found in metamorphic and igneous...

IM

• imaginal11adj. Of or relating to the imagination, or to a mental image.
• imagined12adj. Conceived or envisioned in the mind.
• imambara14n. In South Asia, a congregation hall for Shiites to mourn the death of...
• imatinib12n. A drug used to treat certain types of cancer.
• imbecile14adj. Destitute of strength, whether of body or mind; feeble; impotent...
• imbibing15n. The act by which something is imbibed.
• imipenem14n. A broad-spectrum beta-lactam antibiotic.
• imitable12adj. Capable of being imitated or copied.
• imitated11adj. Virtual, simulated; in effect or essence, rather than in fact or...
• imitator10n. A person who imitates or apes another.
• immanent12adj. Naturally part of something; existing throughout and within something...
• immature12adj. Not fully formed or developed; not grown.
• immersed13adj. Under the surface of a liquid; sunk.
• imminent12adj. About to happen, occur, or take place very soon, especially of...
• immobile14adj. Fixed, not movable.
• immodest13adj. Without customary restraint or modesty of expression; shameless.
• immolate12v. To kill as a sacrifice by burning.
• immortal12adj. Not susceptible to death; living forever; never dying.
• immunity15n. Protective resistance against disease.
• immunize21v. To make someone or something immune to something.
• impacted15adj. Having undergone an impact.
• impactor14n. Any of several machines or devices in which a part impacts on another...
• impaired13adj. Rendered less effective.
• impaling13n. The act of something being impaled.
• impeller12n. Something which or someone who impels.
• imperial12adj. Related to an empire, emperor, or empress.
• imperium14n. Supreme power; dominion.
• impetigo13n. A contagious bacterial skin disease forming pustules and yellow crusty...
• impishly18adv. In an impish manner; mischievously.
• implicit14adj. Suggested indirectly, without being directly expressed; Implied.
• imploded14adj. That has collapsed inwards.
• implying16n. Implication.
• impolite12adj. Not polite; discourteous; not of polished manners; wanting in good...
• importer12n. One who, or that which, imports: especially a person or company...
• importin12n. Any of various karyopherins that move other protein molecules into the...
• imposing13adj. Magnificent and impressive because of appearance, size, stateliness or...
• impostor12n. Someone who attempts to deceive by using an assumed name or identity.
• impotent12adj. Lacking physical strength or vigor; weak.
• imprimis14adv. In the first place (used to introduce a list of items or...
• imprison12v. To put in or as if in prison; confine somebody against their will.
• improper14adj. Unsuitable to needs or circumstances; inappropriate; inapt.
• improved16adj. That has been made better; enhanced.
• improver15n. Something that, or someone who, improves something.
• impudent13adj. Not showing due respect; bold-faced, impertinent.
• impunity15n. Exemption from punishment.
• impurity15n. The condition of being impure; because of contamination, pollution...

IN

• inaction10n. Lack of action or activity or labor.
• inactive13adj. Not active, temporarily or permanently.
• inasmuch15adv. In like degree; in like manner; to the same or similar degree; likewise.
• inbounds11adj. Within bounds.
• incensed11adj. Enraged; infuriated; spitefully or furiously angry.
• inceptor12n. A beginner; one in the rudiments.
• incharge14n. The person who is in charge of something; an employee with...
• inchoate13adj. Recently started but not fully formed yet; just begun; only elementary...
• inchworm18n. The larva of a moth of the family Geometridae.
• incident11n. An event or occurrence.
• incision10n. A cut, especially one made by a scalpel or similar medical tool in the...
• incisive13adj. Intelligently analytical and concise. (of a person or mental process).
• inclined11adj. At an angle to the horizontal; slanted or sloped.
• inclosed11adj. Surrounded.
• included12adj. Provided as an accompaniment or gratuity.
• incoming13adj. Coming (or about to come) in; arriving.
• increase10v. (of a quantity, etc.) To become larger or greater, to greaten.
• incretin10n. A gastrointestinal hormone causing an increase in the amount of insulin...
• incubate12v. To brood, raise, or maintain eggs, organisms, or living tissue through...
• incurved14adj. Turned or curving inward, towards the center.
• indebted12adj. Obligated, especially financially.
• indecent11adj. Offensive to good taste.
• indented10adj. Cut in the edge into points or inequalities, like teeth; dented on the...
• indenter9n. A device or software program or routine that indents.
• indexing17n. The process by which something is indexed.
• indicate11v. To point out; to discover; to direct to a knowledge of; to show; to...
• indigena10n. A native, local, indigenous inhabitant, aboriginal.
• indigene10adj. Indigenous.
• indigent10adj. Poor; destitute; in need.
• indirect11adj. Not direct.
• indolent9adj. Habitually lazy, procrastinating, or resistant to physical labor.
• inducing12adj. That induces; inductive.
• inductee11n. One who, or that which, is inducted.
• inductor11n. A passive device that introduces inductance into an electrical circuit.
• indulged11adj. Having had all desires, wishes, and whims granted; having been brought...
• indusium11n. A protecting membrane, especially that covering the developing spores...
• industry12n. The tendency to work persistently.
• inedible11adj. Not edible; not appropriate, worthy, or safe to eat.
• inequity20n. A lack of equity (justice).
• inerrant8adj. Exhibiting inerrancy; without error.
• inertial8adj. Of, relating to, or depending on inertia.
• inerting9n. The filling of the ullage of a fuel tank with an inert gas to reduce...
• inexpert17adj. Inept or unskilled; not of expert ability or quality.
• infamous13adj. Having a bad reputation; disreputable; notorious; unpleasant or evil...
• infantry14n. Soldiers who fight on foot (on land), as opposed to cavalry and other...
• infected14adj. Having an infection.
• inferior11adj. Lower in rank, status, or quality.
• infernal11adj. Of or relating to hell, or the world of the dead; hellish.
• inferred12adj. Concluded by reasoning or deduction, as from premises or evidence.
• infested12adj. That has undergone an infestation.
• infinite11adj. Indefinably large, countlessly great; immense.
• infinito11adj. Infinite; perpetual (usually said of a canon whose end leads back to...
• infinity14n. Endlessness, unlimitedness, absence of a beginning, end or limits to...
• inflamed14adj. Resulting from or affected by inflammation.
• inflated12adj. Filled with air or fluid.
• inflaton11n. A proposed particle that would have been responsible for inflation in...
• influent11n. A stream which flows into another stream or a lake.
• infoline11n. A helpline providing information.
• informal13adj. Not formal or ceremonious.
• informed14adj. Instructed; having knowledge of a fact or area of education.
• informer13n. One who informs someone else about something.
• infotech16n. Information technology.
• infrared12n. The electromagnetic radiation of a wavelength longer than visible...
• infringe12v. To break or violate a treaty, a law, a right, etc.
• infusion11n. A product consisting of a liquid which has had other ingredients...
• inground10adj. Inside the ground.
• ingrowth15n. Growth inwards.
• inguinal9adj. Of or pertaining to the groin.
• inhalant11adj. Intended for inhaling.
• inhaling12n. Inhalation.
• inherent11adj. Naturally as part or consequence of something.
• inimical12adj. Harmful in effect.
• iniquity20n. Deviation from what is right; gross injustice, sin, wickedness.
• initials8n. An abbreviation of a person's name, constructed by taking the initial...
• initiate8v. To begin; to start.
• injector17n. One who injects (himself or herself with) psychoactive drugs.
• inkstand13n. A small tray containing pens and an inkwell; (by extension) a pot for...
• inkstone12n. A stone mortar used for grinding and holding ink in the East Asian art...
• inlander9n. Someone who lives inland.
• inlaying12n. An inlaid pattern.
• inlining9n. An instance of in-line expansion.
• innately11adv. In an innate manner, referring to a property that is possessed merely...
• innocent10adj. Free from guilt, sin, or immorality.
• innovate11v. To introduce something new to a particular environment; to do something...
• innuendo9n. A derogatory hint or reference to, or (often sexual) insinuation about...
• inoculum12n. The active material used in an inoculation; an inoculant (i.e., a...
• inositol8n. A simple carbocyclic sugar (hexahydroxycyclohexane; chemical formula...
• inquirer17n. One who inquires.
• insanely11adv. In an insane manner; not sanely.
• insanity11n. The state of being insane; madness.
• inscribe12v. To write or cut (words) onto (something, especially a hard surface, or...
• insecure10adj. Not secure.
• inserted9adj. Attached to or growing out of some part.
• insignia9n. A patch or other object that indicates a person's official or military...
• insignis9n. Synonym of insignis pine.
• insolent8adj. Insulting in manner or words, particularly in an arrogant or...
• insomnia10n. A sleeping disorder that is known for its symptoms of unrest and the...
• insomuch15adv. Because of; since; as a result of.
• inspiral10adj. Describing the paths of a pair of astronomical bodies (e.g. binary...
• inspired11adj. Having excellence through inspiration.
• inspirer10n. Someone who inspires.
• inspirit10v. To strengthen or hearten; give impetus or vigour.
• instable10adj. Exhibiting instability; unstable.
• instance10n. An occasion; an order of occurrence.
• instinct10n. A natural or inherent impulse or behaviour.
• instream10v. To flow or stream in; flow or stream into.
• instruct10v. To teach by giving instructions.
• insulate8v. To separate, detach, or isolate.
• insulter8n. Someone who insults.
• intaglio9n. A design or piece of art which is engraved or etched into something.
• intaking13n. The act of taking something in.
• intarsia8n. A decorative form of Italian wood inlaying.
• integers9n. The set of all integers; the set {... -3, -2, -1, 0, 1, 2, 3 ...}.
• integral9adj. Constituting a whole together with other parts or factors; not...
• integrin9n. Any of many heterodimeric transmembrane proteins that function as...
• intended10adj. Planned.
• intently11adv. In an intent or focused manner.
• interact10v. To engage in communication and other shared activities (with someone).
• intercom12n. An independent, telephonic communication system, set up around and...
• intercut10v. To intersect.
• interest8n. The price paid for obtaining, or price received for providing, money or...
• interior8adj. Within any limits, enclosure, or substance; inside; internal; inner.
• intermix17v. To mix together; to intermingle or blend.
• internal8adj. Of or situated on the inside.
• internee8n. One who is imprisoned or otherwise confined.
• internet8n. Internet access or connection; internet connectivity.
• interred9adj. Having been interred.
• intersex15adj. Of an individual, having any of a variety of inherent conditions (in a...
• intertie8n. In any framed work, a horizontal tie other than sill and plate or other...
• interval11n. A distance in space.
• interwar11adj. During or relating to the period of time between two wars, especially...
• intifada12n. An insurrection; a usually violent attempt to take control of a...
• intimacy15n. Feeling or atmosphere of closeness and openness towards someone else...
• intimate10adj. Closely acquainted; familiar.
• intoning9n. Intonation.
• intraday12adj. Occurring during a single day.
• intranet8n. A private computer network, typically one that uses the protocols of...
• intrepid11adj. Fearless; bold; brave.
• intrigue9n. A complicated or clandestine plot or scheme intended to affect some...
• intronic10adj. Of or pertaining to introns.
• intruded10adj. Intrusive.
• intruder9n. Someone who intrudes.
• intubate10v. To insert a tube into.
• inukshuk19n. A structure of piled stones, used as a landmark and traditionally...
• inundate9v. To cover with large amounts of water; to flood.
• invasion11n. A military action consisting of a large armed force of one geopolitical...
• invasive14adj. Of or pertaining to invasion; offensive.
• inveigle12v. To convert, convince, or win over with flattery or wiles.
• invented12adj. Fictional, made up, imaginary.
• inventio11n. One of the five canons of classical rhetoric: the method used for the...
• inventor11n. One who invents, either as a hobby or as an occupation.
• inversus11n. The inverted part of a composition.
• inverted12adj. Having the order or direction exchanged; for example, turned upside...
• inverter11n. Something that inverts, or causes inversion.
• invested12adj. Involved, having a personal interest.
• investee11n. The business entity in which an investment is made.
• investor11n. A person who invests money in order to make a profit.
• inviable13adj. Synonym of nonviable.
• inviscid14adj. Not viscid.
• inviting12adj. Alluring; tempting; attractive.
• involute11adj. Difficult to understand; complicated.
• involved15adj. Complicated.
• inwardly15adv. In an inward manner; to or toward the inside or to oneself.

IO

• iodoform14n. A halogenated hydrocarbon, CHI₃; a yellow crystalline compound...
• ionizing18adj. Capable of producing ions.

IR

• ironbark14n. Any of several unrelated eucalypts that have dark, deeply furrowed bark.
• ironclad11adj. Covered with iron, steel, or (loosely) any other tough metal...
• ironhead12n. Synonym of knapweed.
• ironical10adj. Characterized by or constituting (any kind of) irony.
• ironside9n. One who is very strong and courageous.
• ironware11n. Articles made of iron, as household utensils, tools, and the like.
• ironweed12n. Any of certain species of the genus Vernonia of forbs and shrubs.
• ironwood12n. Acacia esthrophiolata, Acacia excelsa, Acacia melanoxylon, Acacia...
• ironwork15n. Anything made wholly or largely of iron, especially when used for...
• irrealis8adj. Inflected to indicate that an act or state of being is not a fact.
• irrigate9v. To supply (farmland) with water, by building ditches, pipes, etc.
• irritant8adj. Causing irritation or inflammation.
• irritate8v. To provoke impatience, anger, or displeasure in.

IS

• isabella10n. A pale grey-yellow, fawn, cream-brown or parchment colour.
• isabelle10n. Synonym of isabella.
• ischemia15n. Local disturbance in blood circulation due to mechanical obstruction of...
• ischemic17adj. Characteristic of, or accompanied by, ischemia — localised anaemia due...
• islander9n. A person who lives on an island.
• isobaric12adj. Having the same pressures, masses, or densities.
• isobutyl13n. The univalent hydrocarbon radical derived from isobutanol.
• isochron13n. A line on a chart linking rock of the same age (as determined from...
• isogenic11adj. Having the same genes.
• isolated9adj. Placed or standing apart or alone; in isolation.
• isolator8n. An electrical device that detects short circuits and isolates them.
• isomeric12adj. Being an isomer.
• isometry13n. A function between metric spaces (or on a single metric space) having...
• isoprene10n. An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural...
• isostasy11n. The state of balance or pressure equilibrium thought to exist within...
• isotherm13n. A line on a graph or chart, such as a weather map, along which all the...
• isotonic10adj. Having the same osmotic pressure.
• isotopic12adj. Of or pertaining to isotopes.
• isotropy13n. The property of being identical, or having the same physical...
• issuable10adj. Leading to, producing, or relating to, an issue; capable of being made...
• issuance10n. The act of issuing, or giving out.
• isthmian13adj. Of or pertaining to an isthmus, especially to the Isthmus of Corinth in...

IT

• iterable10adj. Capable of being iterated.
• iterator8n. One who or that which iterates.

Questions about these words

How many eight-letter words that start with I are there?

Word.ws lists 279 eight-letter words that start with I, plus 776 rare ones.

What are common eight-letter words that start with I?

industry, interest, involved, increase, internet, included, intended and internal.

Which of the eight-letter words that start with I has the highest letter score?

immunize scores 21 points with the standard letter tile values.

Related word lists

• 8-Letter Words
• Words That Start with I
• 7-Letter Words Starting with I
• 9-Letter Words Starting with I
• Q Words Without U