maladroit tactless, clumpsy

malapropism misuse of a word (for one that resembles it)

malign injurious, speak ill of smb, tell lie

martial brave, of associated with war

massacre cruel killing of a large number of people

matriculation be admitted, enter a university as a student

mature come to full development, to a state ready for use

mendacious false

mercurial lively, quick-witted; inconsistent, changeable

meretricious attractive on the surface but of little value

mischievous harmful, causing mischief

miser person who loves wealth and spends little

missile smth that is thrown or shot

moderation quality of being limited, not extreme

mollify make calmer or quiter

molt moult, lose hair, feathers before new growing

morbid diseased, unhealthy (eg. about ideas)

morose ill-tempered, unsocial

mortuary place where dead bodies are taken to be kept until burial

mundane wordly, ordinary, dull