- multi syllabic
- ms
- machine
- magnanimity
- magnanimous
- magnet
- magnification
- mahabharatha
- mailed fist
- mock
- make a name
- make ready
- make something up
- make terms
- monday
- malarkey
- malcontent
- malediction
- manfully
- mange
- manger
- mangy
- manifest
- manipulate
- margin
- marinate
- market
- market rate
- mason's rule
- mass
- mass media
- massive
- master
- masterpiece
- mat for sleeping
- matter of record
- matzo
- mazily
- mb
- meet someone halfway
- meet the eye
- megalith
- megatrend
- melancholy
- mélange
- melodious
- mensurable
- mental acumen
- mephitic
- mephitis
- messily
- messy
- metadata
- metal pot
- metallic
- metastasize
- metathesis
- microprocessor
- mid section
- mid-may
- mid-off
- middle line
- millennial
- miller
- millinery
- milnea
- mincing
- mind
- misinterpret
- misleading
- mismanage
- miso
- misplaced
- mispronunciation
- misrule
- mixed metaphor
- mlechcha
- mobility
- mocha
- mollify
- momentous
- monastery
- monastic
- monobrow
- monocratie
- monomania
- monomaniacal
- monophonemics
- monopolistic
- monosepalous
- monotheist
- moplah jaggers
- moral advice
- moral fibre
- morbid
- mother-in-law
- motley
- mottled
- mould
- mow someone down, mow something down