mesa :: high, flat-topped hill
metamorphosis :: change of form
metaphor :: implied comparison
metropolis :: large city
mettle :: courage; spirit
mews :: group of stables built around a courtyard
miasma :: swamp gas; odor of decaying matter
microcosm :: small world
mien :: demeanor¹; bearing
milieu :: environment; means of expression
millennium :: thousand-year period; period of happiness and prosperity
minaret :: slender tower attached to a mosque
minion :: a servile dependent
mirage :: unreal reflection; optical illusion
misadventure :: mischance; ill luck
misanthrope :: one who hates mankind
misapprehension :: error; misunderstanding
miscegenation :: intermarriage between races
miscellany :: mixture of writing on various subjects
mischance :: ill luck
miscreant :: wretch²; villain
misdemeanor :: minor³ crime
misgivings :: doubts
mishap :: accident
misnomer :: wrong name; incorrect designation
misogynist :: hater of women
missile :: object to be thrown or projected
mite :: very small object or creature; small coin
mode :: prevailing⁴ style
modicum :: limited quantity
modulation :: toning down; changing from one key to another
moiety :: half; part
molecule :: the smallest part of a homogeneous substance
momentum :: quantity of motion of a moving body; impetus
moodiness :: fits of depression or gloom
moor :: marshy⁵ wasteland
moratorium :: legal delay of payment
mores :: customs
mortician :: undertaker
mote :: small speck
motif :: theme
mountebank :: charlatan⁶; boastful pretender
mugwump :: defector from a party
multiplicity :: state of being numerous
murkiness :: darkness; gloom
murrain :: plague; cattle disease
myriad :: very large number
nadir :: lowest point
natation :: swimming
nave :: main body of a church
navet?:: quality of being unsophisticated