M
- Magnanimous - (adj.) generous and understanding and tolerant; noble and generous in spirit
- Maladroit - (adj.) clumsy; lacking dexterity or physical coordination
- Malleable - (adj.) capable of being shaped or bended
- Maxim - (noun) a general truth or proverbial statement
- Mellifluous - (adj.) pleasing to the ear; flowing in nature
- Mendacious - (adj.) lying or deceitful demeanor
- Mendicant - (noun) a beggar
- Mercurial - (adj.) liable to sudden unpredictable change
- Mettle - (noun) the courage to carry on
- Misanthrope - (noun) a person who hates or distrusts humankind
- Miscreant - (noun) a person without moral scruples
- Mitigate - (verb) make less severe or harsh; to lessen the seriousness or extent of
- Mobile - (adj.) capable of changing quickly from one state or condition to another; moving or capable of moving
- Mollify - (verb) make less rigid or softer; make more temperate, acceptable, or suitable by adding something else
- Morbid - (adj.) suggesting an unhealthy mental state; caused by or altered by or manifesting disease or pathology; suggesting the horror of death and decay
- Motley - (verb) make something more diverse and varied
- Motley - (adj.) consisting of a haphazard assortment of different kinds
- Mundane - (adj.) ordinary, often boring
- Munificent - (adj.) very generous; giving
- Myopic - (adj.) lacking foresight; narrow-minded
- Myriad - (noun) a large indefinite number
- Myriad - (adj.) too numerous to be counted