M
- magic bullet
- major in
- make a case for
- make a difference
- make a face
- make a killing
- make a living
- make a move
- make a point
- make a scene
- make all the difference
- make amends
- make an effort
- make an example of
- make believe
- make do
- make ends meet
- make for
- make friends
- make fun of
- make good
- make happen
- make head or tail of
- make it
- make it clear
- make light of
- make love
- make matters worse
- make noise
- make of
- make one's way
- make out
- make peace
- make room
- make sense
- make someone's blood boil
- make someone's day
- make sure
- make the best of
- make the cut
- make the grade
- make the most of
- make time
- make up
- make up for
- make up one's mind
- make yourself at home
- mama's boy
- man of the hour
- man the fort
- man up
- map out
- mark my words
- match made in heaven
- matter of time
- max out
- may as well
- mean business
- meant to
- meet up
- meet with
- melt down
- mess around
- mess up
- mess with
- middle of nowhere
- middle of the road
- might as well
- mill about
- mill around
- mince words
- mind's eye
- mind one's own business
- mind you
- mint condition
- miss out
- miss the mark
- mix up
- mixed bag
- moment of truth
- monkey around
- monkey business
- monkey wrench
- mop up
- moral high ground
- more and more
- more often than not
- more or less
- more than
- mother lode
- mother of all
- mouth off
- move along
- move heaven and earth
- move house
- move in
- move on
- move out
- move the goalposts
- move the needle
- move up
- much less
- muck about
- muddy the waters
- mull over
- mum's the word
- my bad
- my way or the highway