M
- Macabre – gruesome
- Macerate – soften by soaking in liquid, waste away
- Machiavellian – cunning, deceitful
- Machinations – evil schemes or plots
- Maim – injure, hurt, impair
- Malady – illness
- Malaise – vague, feeling of health
- Malcontent – person dissatisfied with existing state of affairs
- Malingering – ill, sick (in order to avoid work)
- Manacle – restrain, handcuff
- Manumit – set free, to release from slavery
- Marred – damaged, disfigured
- Martinet – tyrant, a person who demands complete obedience
- Masochist – person who enjoys his own pain
- Maul – handle roughly, savage
- Meek – patient, long suffering
- Melancholy –sad, sorrowful
- Melee – fight, brawl, a situation in which the people in a crowd are rushing and pushing each other in a confused manner.
- Mendacious – lying, habitual dishonest
- Mendicant – beggar
- Mercenary – motivated solely by money or gain
- Mercurial – fickle, changing
- Mete – measure, distribute
- Mettle – courage, spirit
- Miasma – stink, unpleasant smell or atmosphere
- Minatory – threatening
- Mirth – laughter
- Missive – a long letter especially official one
- Mitigate – lesson in intensity
- Modicum – limited quantity
- Mogul – powerful person
- Mollify – soothe
- Moribund – dying
- Morose – ill- humored
- Mortify – humiliate
- Motley – multicolored, mixed
- Muddle – confuse, mix up
- Muggy – warm and damp
- Munificent – very generous
- Murky – dark and gloomy
- Muster- gather, assemble
- Myriad – very large number
