| Not boastful | 12 |
| Not BMI | 7 |
| Not blown up | 12 |
| Not blood relatives | 19 |
| Not blocked, on a traffic sign | 30 |
| Not blocked | 11 |
| Not block out | 13 |
| Not blind to | 12 |
| Not blind | 9 |
| Not blather | 11 |
| Not blatant | 11 |
| Not blasé | 12 |
| Not bland | 9 |
| Not black-and-white | 19 |
| Not blabbing | 12 |
| Not biological | 14 |
| Not binding | 11 |
| Not bilateral | 13 |
| Not big, to Burns | 17 |
| Not big, in a small way | 23 |
| Not big on social events, say | 29 |
| Not big on gadgetry, slangily | 29 |
| Not big on discipline | 21 |
| Not big bites | 13 |
| Not big at all, informally | 26 |
| Not biased | 10 |
| Not beyond the realm of possibility | 35 |
| Not beyond the line | 19 |
| Not beyond repair | 17 |
| Not beyond redemption | 21 |
| Not beyond one's capability | 31 |
| Not beyond fathoming | 20 |
| Not beyond comprehension | 24 |
| Not beyond belief | 17 |
| Not berthed | 11 |
| Not bequeathed | 14 |
| Not bent | 8 |
| Not benched, in hockey | 22 |
| Not benched, as in hockey | 25 |
| Not belowdecks | 14 |
| Not belonging to us, maybe | 26 |
| Not believe in spirits? | 23 |
| Not believable | 14 |
| Not being watched | 17 |
| Not being used | 14 |
| Not being such a daredevil, say | 31 |
| Not being productive | 20 |
| Not being honest with | 21 |
| Not being driven, perhaps | 25 |
| Not being buffeted as much | 26 |
| Not being addressed at the moment | 33 |
| Not being able to stand | 23 |
| Not behind the defenders | 24 |
| Not behind closed doors | 23 |
| Not behind | 10 |
| Not behaving conservatively | 27 |
| Not behave, with "up" | 31 |
| Not before | 10 |
| Not beefy | 9 |
| Not becoming | 12 |
| Not beaucoup | 12 |
| Not beating around the bush | 27 |
| Not beat around the bush | 24 |
| Not beat | 8 |
| Not be well | 11 |
| Not be victorious | 17 |
| Not be vertical | 15 |
| Not be upright | 14 |
| Not be up-to-date | 17 |
| Not be up-front with | 20 |
| Not be underdressed? | 20 |
| Not be truthful with | 20 |
| Not be straight with | 20 |
| Not be straight up | 18 |
| Not be straight | 15 |
| Not be squared up, say | 22 |
| Not be square with | 18 |
| Not be spoken aloud | 19 |
| Not be so hard | 14 |
| Not be smooth-talking? | 22 |
| Not be serious | 14 |
| Not be satisfied, perhaps | 25 |
| Not be rumpled, say | 19 |
| Not be resolved | 15 |
| Not be resigned to one's lot | 32 |
| Not be recalcitrant | 19 |
| Not be picky with an instrument? | 32 |
| Not be picky with a guitar? | 27 |
| Not be phony | 12 |
| Not be perpendicular | 20 |
| Not be perfect | 14 |
| Not be passive | 14 |
| Not be oneself? | 15 |
| Not be on target | 16 |
| Not be off | 10 |
| Not be juvenile | 15 |
| Not be just warm | 16 |
| Not be joking | 13 |
| Not be honest about oneself | 27 |
| Not be haphazard | 16 |