| macabre | gruesome suggesting death |
| macerate | make or become soft by soaking in water |
| machination | plot scheme (esp. evil) |
| maladroit | tactless clumsy |
| malapropism | misuse of a word (for one that resembles it) |
| malevolence | wishing to do evil |
| malign | injurious speak ill of smb tell lie |
| malinger | to fake illness or injury in order to shirk a duty |
| malleable | yielding easily shaped moldable adapting |
| manacle | chains for the hands or feet |
| massacre | cruel killing of a large number of people |
| matriculation | be admitted enter a university as a student |
| maudlin | sentimental in a silly or tearful way |
| maul | hurt by rough handling |
| maverick | rebel nonconformist |
| mellifluous | sweetly flowing |
| mendacity | dishonesty |
| mendicant | a beggar |
| mercurial | quick changeable in character fleeting |
| meretricious | attractive on the surface but of little value |
| mesmerize | hypnotize |
| meticulous | giving great attention to details |
| mettle | quality of endurance or courage |
| mettlesome | courageous high-spirited |
| middling | fairly good but not very good |
| minatory | menacing threatening |
| mince | pronounce or speak affectedly euphemize |
| misanthrope | person who hates mankind |
| mischievous | harmful causing mischief |
| miser | person who loves wealth and spends little |
| misogynist | one who hates women/females |
| mite | Avery small amount, portion, or particle |
| moderation | quality of being limited not extreme |
| mollify | make calmer or quieter |
| molt | moult lose hair feathers before new growing |
| morbid | diseased unhealthy (e.g.. about ideas) |
| morose | ill-tempered unsocial |
| muffler | cloth worn round the neck/silencer |
| multifarious | varied motley greatly diversified |
| mundane | worldly as opposed to spiritual commonplace everyday |
| myriad | very great number |
