- mixed blood
- mixing up
- moan
- moblog
- moisturizer
- molasses
- mole
- molten
- monarch
- monarchic
- monochord
- monocle
- monolithic
- monorhyme
- monotype
- monovalent
- moral turpitude
- moralize
- morbid protruberance of liver
- morbific
- more or less
- moulder
- mph
- much of muchness
- muck something up
- muddle
- muddle along, muddle through
- mistrust
- make the grade
- make someone' hair stand on end
- meditate
- macerate
- maidenly
- make
- make off with
- malaise
- malevolence
- malinger
- man
- manageable
- manic
- man-made
- marauder
- mature
- mean
- mechanize
- medal
- mediocre
- medium
- mendicant
- menu
- merchant
- merely
- merry
- metropolis
- middleman
- midway
- mien
- mimic
- mortification
- minimal
- misbegotten
- myriad
- miserliness
- miss
- mistake
- mitigate
- momentarily
- monetary
- monotony
- moral
- morality
- mountain
- mountainous
- mountebank
- mumble
- murder
- muse
- musician
- musing
- make it snappy
- mine detector
- mountain slope
- make a splash
- meritocracy
- mother-of-pearl
- make waves
- mazurka
- michalia champaka
- make merry over
- melanin
- monophysitism
- mightiness
- morning sickness
- mustard oil
- musicianship
- moanful
- mutual consent
- meaningless word
- midfield