- misdemeanour
- miserable
- misfit
- misfortune
- mishandle
- missed aim
- mission
- misstate
- misstatement
- mist
- mistress of the seas
- misunderstanding
- mockery
- mocking
- mocking bird
- modelling
- modificatory
- modify
- modus operandi
- mohammed
- money grubbing
- money-making
- monitor
- monkey with
- monkey-nut
- mont blanc
- montage
- moobs
- moody
- moon
- moon-calf
- moonlit
- moonlit dome
- moons disc
- mope
- more than a little
- mortal wounds
- mount pit
- mountain slide
- mourning
- mouth
- multifarious
- multiple intelligence
- multitude
- munificence
- munificent
- muscle
- muscle in force
- make amends
- make fun of
- make good
- meet someone halfway
- make hay while the sun shines
- move heaven and earth
- machiavellian
- make as if, make as though
- maladministration
- male
- malignant
- manager
- manful
- manuscript
- maroon
- marvel
- marvelous
- masculinity
- Mass
- material
- matrimonial
- mausoleum
- meagre
- mean
- means
- member
- membrane
- memory
- make merry
- midst
- mill around, mill about
- mimicry
- mind out be
- mindless
- misapprehend
- misbehave
- miss someone out, miss something out
- modernize
- mole
- moisten
- morale
- moor
- moonshine
- motherly
- mould
- movable
- muck
- mum's the word
- multiple
- multitudinous
- murderous
- muted