| Become more intense | 19 |
| Become more important | 21 |
| Become more friendly | 20 |
| Become more forgiving? | 22 |
| Become more fit | 15 |
| Become more eco-friendly | 24 |
| Become more distant | 19 |
| Become more declivitous | 23 |
| Become more complicated | 23 |
| Become mollified | 16 |
| Become moldy | 12 |
| Become misty like a windshield | 31 |
| Become misty | 12 |
| Become mired in | 15 |
| Become mired | 12 |
| Become maudlin onstage | 22 |
| Become mature | 13 |
| Become manifest | 15 |
| Become maggot-infested, perhaps | 31 |
| Become lyrical | 14 |
| Become lumpy | 12 |
| Become livid | 12 |
| Become lively, with "up" | 34 |
| Become lively | 13 |
| Become lit | 10 |
| Become listless | 15 |
| Become liquid | 13 |
| Become limp, like lettuce | 25 |
| Become limp like lettuce | 25 |
| Become limp | 11 |
| Become like last year's auto | 32 |
| Become lightheaded | 18 |
| Become lighter? | 15 |
| Become liable to | 16 |
| Become liable or subject to | 27 |
| Become liable for | 17 |
| Become liable | 13 |
| Become level | 12 |
| Become lessor while lessee | 26 |
| Become less tense | 17 |
| Become less sympathetic | 23 |
| Become less strict, with "up" | 39 |
| Become less strict | 18 |
| Become less stressed (with "out") | 43 |
| Become less severe or strict | 28 |
| Become less reserved | 20 |
| Become less of a person? | 24 |
| Become less intense | 19 |
| Become less icy | 15 |
| Become less hostile | 19 |
| Become less harsh | 17 |
| Become less gripping? | 21 |
| Become less green | 17 |
| Become less flexible | 20 |
| Become less enraged | 19 |
| Become less dense | 17 |
| Become less cloudy | 18 |
| Become less clear | 17 |
| Become less careful | 19 |
| Become less burdensome | 22 |
| Become less brilliant | 21 |
| Become less bright, as the moon | 31 |
| Become less bright | 18 |
| Become less appealing | 21 |
| Become lenient, as on crime | 27 |
| Become lenient (on) | 19 |
| Become lax | 10 |
| Become laryngitic | 17 |
| Become known without approval, as state secrets | 47 |
| Become known | 12 |
| Become knotty | 13 |
| Become king by force | 20 |
| Become joyful | 13 |
| Become irritated | 16 |
| Become irate | 12 |
| Become involved with | 20 |
| Become involved | 15 |
| Become invisible | 16 |
| Become invalid | 14 |
| Become interwoven | 17 |
| Become interlocked, as gears | 28 |
| Become interesting, like a pennant race | 39 |
| Become interested, with "up" | 38 |
| Become insufficient | 19 |
| Become inseparable | 18 |
| Become innervated | 17 |
| Become informed, with "up" | 36 |
| Become informal | 15 |
| Become inflexible | 17 |
| Become ineligible for the Olympics, in some sports | 50 |
| Become inedible, in a way | 25 |
| Become inedible | 15 |
| Become indistinct | 17 |
| Become indisputably | 19 |
| Become indignant | 16 |
| Become incompetent | 18 |
| Become incisive? | 16 |
| Become incensed | 15 |
| Become inattentive | 18 |
| Become inactive | 15 |