| Not behind the defenders | 24 |
| Not being able to stand | 23 |
| Not being addressed at the moment | 33 |
| Not being buffeted as much | 26 |
| Not being driven, perhaps | 25 |
| Not being honest with | 21 |
| Not being productive | 20 |
| Not being such a daredevil, say | 31 |
| Not being used | 14 |
| Not being watched | 17 |
| Not believable | 14 |
| Not believe in spirits? | 23 |
| Not belonging to us, maybe | 26 |
| Not belowdecks | 14 |
| Not benched, as in hockey | 25 |
| Not benched, in hockey | 22 |
| Not bent | 8 |
| Not bequeathed | 14 |
| Not berthed | 11 |
| Not beyond belief | 17 |
| Not beyond comprehension | 24 |
| Not beyond fathoming | 20 |
| Not beyond one's capability | 31 |
| Not beyond redemption | 21 |
| Not beyond repair | 17 |
| Not beyond the line | 19 |
| Not beyond the realm of possibility | 35 |
| Not biased | 10 |
| Not big at all, informally | 26 |
| Not big bites | 13 |
| Not big on discipline | 21 |
| Not big on gadgetry, slangily | 29 |
| Not big on social events, say | 29 |
| Not big, in a small way | 23 |
| Not big, to Burns | 17 |
| Not bilateral | 13 |
| Not binding | 11 |
| Not biological | 14 |
| Not blabbing | 12 |
| Not black-and-white | 19 |
| Not bland | 9 |
| Not blasé | 12 |
| Not blatant | 11 |
| Not blather | 11 |
| Not blind | 9 |
| Not blind to | 12 |
| Not block out | 13 |
| Not blocked | 11 |
| Not blocked, on a traffic sign | 30 |
| Not blood relatives | 19 |
| Not blown up | 12 |
| Not BMI | 7 |
| Not boastful | 12 |
| Not bogus | 9 |
| Not bold | 8 |
| Not boldly | 10 |
| Not bombastic | 13 |
| Not bonkers | 11 |
| Not booked | 10 |
| Not boorish | 11 |
| Not bootleg | 11 |
| Not born into money, as some billionaires | 41 |
| Not born yesterday | 18 |
| Not bother | 10 |
| Not bother with, as a chore | 27 |
| Not bottled | 11 |
| Not bottled or canned | 21 |
| Not bottled, as beer | 20 |
| Not bought | 10 |
| Not bought, perhaps | 19 |
| Not bought, say | 15 |
| Not bound in | 12 |
| Not boundless | 13 |
| Not boyish | 10 |
| Not brand-name | 14 |
| Not brand-new | 13 |
| Not brewed | 10 |
| Not brewed, perhaps | 19 |
| Not briefly | 11 |
| Not bright | 10 |
| Not bright at all | 17 |
| Not bright or clean | 19 |
| Not brilliant | 13 |
| Not bring up again, as a topic | 30 |
| Not broad | 9 |
| Not broadcast | 13 |
| Not broadcasted | 15 |
| Not broadside | 13 |
| Not broken | 10 |
| Not broken up | 13 |
| Not brought home | 16 |
| Not brown or blue, perhaps | 26 |
| Not brush off | 13 |
| Not brushed off | 15 |
| Not brusque | 11 |
| Not budge | 9 |
| Not budging | 11 |
| Not buggy | 9 |
| Not built to last | 17 |
| Not built up | 12 |