13-Letter Words Starting with M

All 192 thirteen-letter words that start with M

MA

• machinability25n. The condition of being machinable.
• macrocephalus24n. The condition of having an abnormally large head.
• macroeconomic23adj. Relating to macroeconomics.
• macroglobulin20n. A plasma globulin of high molecular weight.
• macromolecule21n. A very large molecule, especially used in reference to large biological...
• macronutrient17n. Any of the elements required in large amounts by all living things.
• macrovascular22adj. Of or pertaining to the larger blood vessels.
• maculopapular21adj. Consisting of a flat, red area on the skin that is covered with small...
• magisterially19adv. In a magisterial manner; authoritatively.
• magnanimously21adv. In a magnanimous manner.
• magnetization25n. The act of magnetizing, or the state of being magnetized.
• magnetomotive21adj. Capable of producing magnetic flux.
• magnetosphere21n. The comet-shaped region around Earth or another planet in which charged...
• magnification21n. The act of magnifying; enlargement; exaggeration.
• magnificently24adv. In a magnificent manner.
• magnocellular18adj. Having large cells.
• mainstreaming18n. The process of bringing something into the mainstream.
• malabsorption19n. The state arising from abnormality in digestion or absorption of food...
• malacological20adj. Of, or pertaining to, malacology.
• maladaptation18n. The state of being poorly adapted to an environment.
• maladjustment25n. A poor or faulty adjustment, especially of a mechanism.
• maliciousness17n. The condition of being malicious; malevolence or malice.
• malinvestment20n. An incorrect or unwise investment.
• manageability21n. The characteristic of being manageable.
• managerialism18n. The ideological principle that societies are equivalent to the sum of...
• manifestation18n. The act or process of becoming manifest.
• manipulatable19adj. Synonym of manipulable (“suitable for, or able to be subjected to...
• manufacturing21n. The transformation of raw materials into finished products, usually on...
• marketability24n. The likelihood that something will sell; market appeal.
• marketization28n. The exposure of service industries to market forces.
• masterminding19n. A creativity technique by which a group tries to find solutions for a...
• materialistic17adj. Being overly concerned with material possessions and wealth.
• mathematician22n. An expert on mathematics; someone who studies mathematics.
• matriculation17n. Enrollment in a college or university.
• matrilineally18adv. In matrilineal fashion.
• maxillofacial27adj. Of or relating to the jaw and face.

ME

• meaninglessly19adv. In a meaningless manner; nonsensically.
• measurability20n. Susceptibility to measurement.
• mechanization29n. The use of machinery to replace human or animal labour, especially in...
• mediatization25n. The act of mediatizing (in various senses).
• megakaryocyte28n. A large cell, found in bone marrow, responsible for the production of...
• megaloblastic20adj. Pertaining to, or produced by a megaloblast.
• megastructure18n. A very large structure.
• meistersinger16n. Synonym of mastersinger.
• melanogenesis16n. The production of melanin in human skin.
• melodramatics20n. Overemotional, exaggerated behavior calculated for effect.
• membranaceous21adj. Resembling or having properties of a membrane.
• meningococcal22adj. Of, pertaining to, or caused by meningococci.
• meningococcus22n. A pathogenic bacterium (Neisseria meningitidis), common cause of...
• mentalization24n. The ability to understand mental states that underlies the overt...
• merchandising22n. The promotion of goods for sale in a store, especially through...
• mercilessness17n. The property of being merciless.
• mercurochrome24n. Merbromin.
• meritoriously18adv. In a meritorious manner.
• mesencephalic24adj. Of or pertaining to the mesencephalon.
• mesencephalon22n. A part of the brain located rostral to the pons and caudal to the...
• mesmerizingly30adv. In a way or to an extent that mesmerizes.
• metabisulfite20n. The oxyanion of sulfur S₂O₅²⁻ or any salt containing this ion.
• metabolically22adv. In terms of, or by means of, metabolism.
• metabolizable28adj. Able to be metabolized.
• metachromatic24adj. Exhibiting, or pertaining to, metachromasia.
• metacognition18n. The act of thinking about thinking.
• metacognitive21adj. Pertaining to metacognition.
• metafictional20adj. Of, relating to, or being metafiction.
• metaheuristic20n. An experimental heuristic method for solving a general class of...
• metalliferous18adj. Containing a metallic element. Often used to describe ores that are...
• metallization24n. The act or process of metallizing.
• metallography24n. The study of the structure of metals and their alloys, by any of a...
• metallurgical18adj. Of or relating to metallurgy, the study of metals and their properties.
• metalsmithing21n. The craft of fashioning objects out of metals; the craft or work of a...
• metamorphosis22n. A transformation, such as one performed by magic.
• metanarrative18n. A narrative which concerns narratives of historical meaning, experience...
• metaphysician25n. A philosopher who specializes in the scholarly study of metaphysics.
• metastability20n. An unstable but potentially long-lived state of a system; for example...
• metatarsalgia16n. Pain in the region of the metatarsals; inflammation of any of the five...
• meteorologist16n. A person who studies meteorology.
• methemoglobin23n. An oxidized form of hemoglobin, containing ferric rather than ferrous...
• methocarbamol24n. A central muscle relaxant, the carbamate of guaifenesin, used to treat...
• methodologist20n. A person who studies methodology, or applies its principles.
• methoxyphenyl36n. Any methoxy derivative of a phenyl radical.
• methylglyoxal32n. The aldehyde form of pyruvic acid.
• methylguanine22n. A methyl derivative of guanine.
• methylmalonic25adj. Relating to methylmalonic acid or its derivatives.
• methylmercury28n. The organometallic cation CH₃Hg⁺; it is a toxicant that accumulates in...
• methylparaben25n. A preservative and antifungal agent, the methyl ester of...
• metonymically25adv. In a metonymic fashion; using metonymy.
• metronidazole25n. An antibiotic of the nitroimidazole group, used to treat vaginal...

MI

• microanalysis20n. Small-scale analysis.
• microbiologic22adj. Synonym of microbiological.
• microblogging22n. The writing or publishing of a microblog.
• microbusiness19n. A very small business or enterprise.
• microcellular19adj. Being composed of very small cells.
• microcephalic26adj. Having an abnormally small head.
• microcomputer23n. A computer designed around a microprocessor, smaller than a...
• microdialysis21n. A technique in which a short length of dialysis membrane is introduced...
• microeconomic23adj. Of, or relating to, microeconomics.
• microemulsion19n. A stable emulsion that is clear because the individual droplets of the...
• microfluidics23n. The science concerned with the design and construction of...
• microfracture22n. A very small, or fine, fracture, especially one of a series in bone.
• microglobulin20n. A low molecular-weight globulin.
• microhardness21n. The hardness of a very small area of the surface layer of a material.
• microlearning18n. Learning in relatively small units and through short activities.
• micromachined25adj. Machined using a micromachine.
• microneedling19n. The repeated puncturing of the skin with tiny needles to stimulate...
• micronutrient17n. A mineral, vitamin or other substance that is essential, even in very...
• microorganism20n. An organism that is too small to be seen by the unaided eye...
• microparticle21n. An extremely small particle.
• microphysical27adj. Of or pertaining to microphysics.
• microscopical23adj. Pertaining to the microscope; achieved by means of a microscope.
• microstamping22n. The use of laser technology to engrave a microscopic marking onto the...
• microsurgical20adj. Of or pertaining to microsurgery.
• microvascular22adj. Of or pertaining to extremely small blood vessels.
• millennialism17n. Millenarianism.
• millionairess15n. A woman whose wealth is greater than one million dollars, or the local...
• mindblowingly25adv. In a mindblowing manner.
• mineralogical18adj. Relating to mineralogy.
• misallocation17n. An improper or unwise allocation, especially of money.
• miscegenation18n. The mixing or blending of race in marriage or breeding, interracial...
• miscellaneous17adj. Consisting of a variety of ingredients or parts.
• mischievously26adv. In a mischievous manner.
• misconception21n. A mistaken belief, a wrong idea.
• misconstruing18n. An instance of something being misconstrued; a misconstrual.
• misgovernance21n. Bad governance.
• misgovernment21n. Bad government.
• misidentified20adj. Identified incorrectly.
• misimpression19n. An inaccurate or misleading impression.
• mismanagement20n. The process or practice of managing ineptly, incompetently, or...
• misperception21n. An incorrect perception.
• mispronounced20adj. Pronounced incorrectly.
• missiological18adj. Of or pertaining to missiology.
• misunderstand17v. To understand incorrectly, while believing one has understood correctly.
• misunderstood17adj. Not comprehended correctly.
• mitochondrial21adj. Of, or relating to mitochondria.
• mitochondrion21n. A spherical or ovoid organelle found in the cytoplasm of eukaryotic...

MO

• modernization25n. The act, process, or result of modernizing.
• mollycoddling23n. An act of excessive pampering.
• monoaminergic20adj. That transmit impulses by employing the monoamine neurotransmitters...
• monochromatic24adj. Having only one color, represented by differing hues and tints. For...
• monochromator22n. An optical device, consisting of one or more slits, that selects a...
• monoenergetic18adj. Describing radiation consisting of particles (or waves) having a narrow...
• monomolecular19adj. Involving a single molecule.
• mononucleosis17n. A viral infection marked by extreme fatigue, high fever, and swollen...
• monooxygenase26n. Any oxygenase enzyme that catalyzes the incorporation of a single atom...
• monophosphate25n. Any compound containing a single phosphate unit.
• monophysitism25n. A Christological doctrine, generally considered heterodox or heretical...
• monotonically20adv. In a monotonic manner, pertaining to the Greek system of diacritics...
• monumentality20n. The quality or state of being monumental.
• morbillivirus20n. Any of the genus Morbillivirus of viruses.
• morphogenesis21n. The differentiation of tissues and subsequent growth of structures in...
• morphogenetic23adj. Of or pertaining to morphogenesis.
• morphological23adj. Of, or pertaining to, morphology.
• morphometrics24n. The measurement of shape.
• mortification20n. The act of mortifying.
• mouthwatering22adj. Causing one to salivate.

MU

• mucocutaneous19adj. Of or pertaining to the mucous membranes and the skin.
• multicellular17adj. That has many cells, often differentiated in function.
• multichannels20n. Multiple channels.
• multicriteria17adj. Involving multiple criteria.
• multicultural17adj. Relating or pertaining to several different cultures.
• multidetector18adj. Having multiple detectors.
• multidistrict18adj. Involving or covering more than one district.
• multiemployer22adj. Of or pertaining to more than one employer.
• multifilament20adj. Having multiple filaments.
• multifunction20adj. Having multiple functions.
• multijunction24adj. Of or relating to more than one junction.
• multilanguage17adj. Of or pertaining to multiple languages.
• multimodality21n. The quality of being multimodal; employing multiple modes.
• multinational15adj. Of, or involving more than two nations (externally between countries or...
• multinucleate17adj. Having more than one nucleus; multinuclear.
• multiplatinum19adj. Having exceeded the platinum level of sales on multiple occasions.
• multipolarity20n. The condition of being multipolar.
• multiprotocol19adj. Involving or supporting more than one protocol.
• multiregional16adj. Of or pertaining to more than one region.
• multisectoral17adj. Involving multiple sectors.
• multispectral19adj. Using light with two or more frequencies or frequency ranges.
• multisyllabic22adj. Having more than one syllable.
• multisystemic22adj. Of, pertaining to or affecting more than one system or organ of the...
• multitalented16adj. Having skill or talent in more than one field.
• multithreaded20adj. Consisting of multiple threads (literal or figurative) woven together.
• multitudinous16adj. Existing in multitudes or great numbers; very numerous; innumerable.
• multivariable20adj. Having, involving, or relating to more than one variable.
• multivibrator20n. An electronic circuit used to implement a variety of simple two-state...
• mummification24n. The preserving of a dead body, by making it into a mummy.
• musicological20adj. Of or pertaining to musicology.
• mutualization24n. The act or process of mutualizing.
• muzzleloading35adj. Of a gun, having ammunition loaded from the front of the barrel where...

MY

• mycobacterial24adj. Of or pertaining to mycobacteria.
• mycobacterium26n. Any of many rod-shaped, aerobic bacteria, of the genus Mycobacterium...
• mycophenolate25n. Any salt or ester of mycophenolic acid.
• myelofibrosis23n. Collagen deposition by fibroblasts in the bone marrow, whether primary...
• myoepithelial23adj. Of or pertaining to the myoepithelium.
• mystification23n. The act of mystifying or the condition of being mystified.

Questions about these words

How many thirteen-letter words that start with M are there?

Word.ws lists 192 thirteen-letter words that start with M, plus 2,165 rare ones.

What are common thirteen-letter words that start with M?

manufacturing, misunderstood, multinational, manifestation, miscellaneous, multicultural, modernization and mitochondrial.

Which of the thirteen-letter words that start with M has the highest letter score?

methoxyphenyl scores 36 points with the standard letter tile values.

Related word lists

• 13-Letter Words
• Words That Start with M
• 12-Letter Words Starting with M
• 14-Letter Words Starting with M
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