| maelstrom | A powerful whirlpool in the sea or a river | |
| machination | A scheme or plot, especially one intended to achieve an evil or treacherous end | |
| macerate | To soften or break down (food) into a pulpy mass, usually by soaking in a liquid | |
| macabre | Disturbing and horrifying because of involvement with or depiction of death and injury | |
| lurid | Gruesomely vivid; presenting shocking details in a sensational way | |
| luminary | A person who inspires or influences others, especially one prominent in a particular sphere | |
| lugubrious | looking or sounding sad and dismal | |
| ludicrous | so foolish, unreasonable, or out of place as to be amusing | |
| lucre | Money, especially when regarded as sordid or distasteful or gained in a dishonorable way | |
| lucid | Expressed clearly; easy to understand | |