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English Words Starting With M

8,594 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

masting
nounLow
/ˈmɑːstɪŋ/The process of fitting a ship with masts.
mastitis
nounLow
/mæˈstaɪ.tɪs/Inflammation of the breast or mammary gland.
mastocarcinoma
nounVery Low (Academic/Technical)
/ˌmæstəʊkɑːsɪˈnəʊmə/A malignant tumor or cancer originating from the cells of the breast tissue.
mastocytosis
nounRare
/ˌmæstə(ʊ)sʌɪˈtəʊsɪs/A rare disorder characterized by an abnormal accumulation of mast cells in various tissues and organs.
mastodon
nounC2
/ˈmastədɒn/A large, extinct elephant-like mammal with long curved tusks and a hairy body, belonging to the family Mammutidae.
mastoid
adjectivenounLow (technical term)
/ˈmæstɔɪd/Resembling a nipple or breast in shape.
mastoid process
nounTechnical / Very Low
/ˈmastɔɪd ˌprəʊsɛs/The conical bony prominence of the temporal bone behind the ear, to which neck muscles are attached.
mastoidectomy
nounVery Low
/ˌmæstɔɪˈdɛktəmi/A surgical operation to remove all or part of the mastoid bone, a prominent bony structure behind the ear.
mastoiditis
nounLow (Very rare in general language; common only in medical/otolaryngology contexts)
/ˌmæs.tɔɪˈdaɪ.tɪs/Inflammation of the mastoid process (a bony prominence behind the ear).
mastopathy
nounC2
/mæˈstɒp.ə.θi/Any disease of the breast or mammary gland tissue.
mastopexy
nounVery Low
/ˈmæstə(ʊ)ˌpɛksi/A surgical procedure to lift and reshape sagging breasts.
mastroianni
nounLow
/ˌmastrəʊˈjani/An Italian surname, most famously associated with the actor Marcello Mastroianni (1924–1996).
masturbate
verbverb-intransitiveverb-transitiveMedium (common in specific contexts, not in general polite conversation)
/ˈmæstəbeɪt/To sexually stimulate one's own genitals.
masturbation
nounMedium
/ˌmæstəˈbeɪʃ(ə)n/The act of sexually stimulating one's own genitals.
masur
nounLow
/məˈzʊə(r)/A type of high-quality, figured birch wood, often with a decorative pattern, used in veneer and furniture making.
masuria
nounLow (Uncommon)
/məˈzjʊə.ri.ə/The anglicized name for a historical and geographic region in north-eastern Poland, officially known as Mazury.
masurium
nounExtremely Low / Obsolete
/məˈsjʊə.ri.əm/A rejected historical name for the element now called technetium.
masvingo
nounVery Low
/mæsˈvɪŋɡəʊ/A city in southeastern Zimbabwe, formerly known as Fort Victoria.
mat
nounverbverb-intransitive+1A2
/mæt/A piece of thick, flat material, often of fabric, rubber, or woven material, placed on a floor or other surface for protection, wiping feet, decoration, or as a base for objects.
mat grass
nounLow (Technical/Botanical)
/ˈmæt ˌɡrɑːs/A low-growing, spreading grass or sedge that forms dense, mat-like patches, often found in poor, dry, or alpine soils.

Showing 2481–2500 of 8594 words.