| malign | To speak about someone in a spitefully critical manner | |
| malinger | To pretend illness, especially in order to shirk one's duty, avoid work, or gain sympathy | |
| malleable | Capable of being shaped or formed by pressing, hammering, or another force without breaking | |
| mandate | An official order or commission to do something | |
| manifold | Many and various | |
| marginal | Of secondary or lesser importance, rank, or scale; not central or major | |
| marshal | An officer of the highest rank in the armed forces of some countries, including France | |
| maudlin | Self-pityingly or tearfully sentimental, often through drunkenness | |
| mawkish | Excessively sentimental in a way that seems fake or insincere | |
| meddle | Interfere in or busy oneself unduly with something that is not one's concern | |