| A | B |
| machination | noun an evil design or plan |
| macroscopic | adj. visible to the naked eye |
| maelstrom | noun whirlpool, turbulence; agitated state of mind |
| malapropism | noun a word humorously misused |
| malleable | adj. capable of being changed; easily shaped |
| martinet | noun a strict disciplinarian; taskmaster |
| masochist | noun one who enjoys his or her own pain and suffering |
| mendacious | adj. lying; false, deceitful |
| meretricious | adj. attractive in a cheap, flashy way |
| milieu | noun environment, setting |
| miscreant | noun a vicious person |
| nebulous | adj. hazy, vague, uncertain |
| necromancy | noun magic, especially that practiced by a witch |
| neologism | noun use a new word; making up a new word or definition |
| nihilism | noun a total rejection of established laws |