- Mascarpone
- Masculine gender
- Maserati
- Mask
- Masochism
- Masque
- Mass
- Mass hysteria
- Massage ones ego
- Massaging
- Master key
- Master plan
- Master-hand
- Masterful
- Mastermind
- Mastication
- Masticatory
- Mastiff
- Masturbation
- Mat of reeds
- Match fixing
- Match up to expectations
- Matchless
- Mate
- Mater families
- Materialist
- Materialistic
- Materially
- Materials
- Materials for warfare
- Maternally
- Mathematics
- Mathophobia
- Mating
- Matriarch
- Matronal
- Matronship
- Matt
- Matters
- Maul
- Maxilla
- May hap
- May your shadow never growless
- Mayoress
- Maze
- Mazily
- Mazurka
- Mb
- Me
- Mead
- Meal ticket
- Mealy mouthed
- Mean
- Mean begger
- Mean business
- Meander
- Meanderings
- Meaningfully
- Meaningless word
- Meaninglessness
- Measurably
- Measure swords against
- Measurement
- Measuring instrument
- Measuring rod
- Measuring rule
- Meat cutter
- Meatball
- Meathead
- Meatus
- Mecca
- Mechanism
- Mechanization
- Meconium
- Mecum
- Med
- Medallion
- Meddle
- Medevac
- Medically
- Medicate
- Medicated
- Medico
- Meditatively
- Mediterranean
- Medium of instruction
- Medium sized
- Medom
- Medulla
- Meed
- Meemamsa
- Meet ones waterloo
- Meet person half-way
- Meet person on his own ground
- Meet with only a limited success
- Meeting
- Megahertz
- Megalith
- Megalodon
- Megalomania