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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)

mast house
nounRare
/ˈmɑːst ˌhaʊs/A building or structure, typically in a shipyard or naval base, where masts for ships are stored, constructed, or repaired.
mastaba
nounVery low
/ˈmæstəbə/A type of ancient Egyptian tomb with a rectangular base, sloping sides, and a flat roof, constructed from mudbrick or stone.
mastax
nounVery low
/ˈmæstæks/A muscular pharyngeal chewing apparatus found in rotifers (microscopic aquatic animals), used for grinding food.
mastectomy
nounC2
/mæˈstɛk.tə.mi/A surgical operation to remove one or both breasts, usually to treat or prevent breast cancer.
master
adjectivenounverb+1B1
/ˈmɑːstə/A person who has complete control, authority, or superior skill over something or someone.
master aircrew
nounVery low (technical/military)
/ˌmɑːstər ˈeəkrəʊ/A senior non-commissioned officer in the air forces of some Commonwealth countries, equivalent to a warrant officer, with expertise in air operations.
master alloy
nounC2
/ˈmɑːstər ˈælɔɪ/A pre‑alloyed mixture of two or more elements used to add specific components to molten metal during production.
master bath
nounMedium
/ˌmɑːstə ˈbɑːθ/A private bathroom attached to the main bedroom (master bedroom) in a house.
master bedroom
nounHigh
/ˌmɑːstə ˈbredruːm/The largest bedroom in a house, typically containing an en-suite bathroom.
master builder
nounC1
/ˌmɑːstə ˈbɪldə/A highly skilled and experienced person who oversees and manages the construction of buildings, especially a chief architect or contractor in historical or large-scale projects.
master builder, the
nounC2
/ˌmɑːstə ˈbɪldə/a highly skilled and experienced leader in construction, particularly overseeing large, complex projects; an architect, chief craftsman, or supervisor.
master chief petty officer
nounLow
/ˌmɑːstə ˌtʃiːf ˌpeti ˈɒfɪsə/The highest enlisted rank in the United States Navy and United States Coast Guard, senior to all other enlisted ranks.
master class
nounC1-C2
/ˈmɑːstə ˌklɑːs/A lesson or demonstration given by an expert (a master) to advanced students, particularly in a skilled field like music, art, or craft.
master corporal
nounLow
/ˌmɑːstə ˈkɔːp(ə)rəl/A non-commissioned officer rank in the Canadian Armed Forces and some other Commonwealth militaries, above corporal and below sergeant.
master cylinder
nounLow
/ˈmɑːstə ˈsɪlɪndə/The primary hydraulic cylinder in a vehicle's braking system that converts pedal pressure into hydraulic pressure.
master file
nounC1
/ˈmɑːstə ˌfaɪl/A primary, authoritative data file in a computer system that serves as the main source of information, typically containing relatively permanent records.
master gunnery sergeant
nounLow
/ˌmɑːstə ˈɡʌnəri ˈsɑːdʒənt/A specific high-ranking non-commissioned officer (E-9) in the United States Marine Corps, senior to a gunnery sergeant and junior to a sergeant major.
master hand
nounC1/C2
/ˈmɑːstə hænd/A person with exceptional skill, expertise, or control in a particular craft, art, or activity; the guiding or controlling influence in a situation.
master key
nounC1
/ˈmɑːstə kiː/A single key that can open multiple different locks.
master mason
nounC2
/ˌmɑːstə ˈmeɪs(ə)n/A highly skilled and experienced mason who has attained the highest level of proficiency in the trade, qualified to oversee complex work and train others.

Showing 2421–2440 of 8594 words.