- manifold
- manikin
- manila
- manipulative
- marksman, markswoman
- marksmanship
- marplot
- marriage certificate
- married
- martial
- martyrdom
- meaning
- match fixing
- matching
- matchless
- maternity leave
- matrimony
- maul
- mawkish
- mayday
- mayor
- maze
- meal
- meet the trouble halfway
- meet with only limited success
- meeting
- megalodon
- mellifluous
- menshevic
- mental agitation
- mercantile
- merchant ship
- merit
- mescaline
- mesmerise
- mess about, mess around
- mow
- methodical
- métier
- metric
- mettlesome
- miasma
- mickey
- mickle
- micr
- microbe
- microcephal
- microcephalous
- migrant labourers
- military array
- military base
- minstrel
- minted coin
- minus symbol
- minute-book
- mischief
- misconceive
- miserly
- misfire
- misguided
- misshapen
- missionary
- mister
- misunderstand
- misuse
- miter
- mitigating
- mitigation
- mix-up
- mixer
- modesty
- modish
- mogul
- mogul emperor
- moisture
- molecular
- mollycoddle
- monarchy
- mongrel
- monkey about, monkey around
- monkey business
- musical sound
- mussitate
- mutate
- mute
- myco
- myopic
- mysterious
- mystic spell om
- mystique
- magician
- making
- malfunction
- maturity
- maudlin
- meantime
- measurable
- mellow
- merciful
- mettle