| Certain bird shelter | 20 |
| Certain birds of a feather | 26 |
| Certain birds that cannot fly | 29 |
| Certain birthstone | 18 |
| Certain bison | 13 |
| Certain bit of wit | 18 |
| Certain black notes | 19 |
| Certain Black Sea dweller | 25 |
| Certain black sheep | 19 |
| Certain black tea | 17 |
| Certain black-nosed rabbits | 27 |
| Certain blacksmith | 18 |
| Certain blade | 13 |
| Certain blade holder | 20 |
| Certain bleater | 15 |
| Certain blend | 13 |
| Certain blocker | 15 |
| Certain blocker's target | 28 |
| Certain blood | 13 |
| Certain blood group | 19 |
| Certain blood type, briefly | 27 |
| Certain blood type, for short | 29 |
| Certain blowup | 14 |
| Certain blue stone | 18 |
| Certain blues | 13 |
| Certain board game turns | 24 |
| Certain board material | 22 |
| Certain board meeting attendee | 30 |
| Certain board member | 20 |
| Certain board member's memoir? | 34 |
| Certain board member: Abbr. | 27 |
| Certain board members? | 22 |
| Certain board pieces | 20 |
| Certain boat propeller | 22 |
| Certain boatman | 15 |
| Certain body fat | 16 |
| Certain body mod | 16 |
| Certain body of water | 21 |
| Certain body shape | 18 |
| Certain bodybuilder | 19 |
| Certain Boeing | 14 |
| Certain bomb squad worker | 25 |
| Certain Bond portrayer | 22 |
| Certain bond, for short | 23 |
| Certain bond, informally | 24 |
| Certain bond, slangily | 22 |
| Certain bonds | 13 |
| Certain bonds, securities, etc. | 31 |
| Certain bonds: Abbr. | 20 |
| Certain bone | 12 |
| Certain bones | 13 |
| Certain bong material | 21 |
| Certain Bonn votes | 18 |
| Certain book addendum | 21 |
| Certain book size | 17 |
| Certain book, sizewise | 22 |
| Certain bookbinding leather | 27 |
| Certain bookmark | 16 |
| Certain books | 13 |
| Certain boom | 12 |
| Certain boot | 12 |
| Certain booth occupant's goal | 33 |
| Certain boozehound | 18 |
| Certain border, to a philatelist | 32 |
| Certain Borneans | 16 |
| Certain Borneo denizens, briefly | 32 |
| Certain Borneo native (Var.) | 28 |
| Certain Bosnian | 15 |
| Certain boss's group | 24 |
| Certain botanical balms | 23 |
| Certain botanical progeny | 25 |
| Certain botanicals | 18 |
| Certain bottles | 15 |
| Certain bottom lines | 20 |
| Certain bottom-feeder | 21 |
| Certain Bounty crewman | 22 |
| Certain bowling target | 22 |
| Certain box occupant | 20 |
| Certain box-opener | 18 |
| Certain boxer, informally | 25 |
| Certain boxers | 14 |
| Certain boxing blow | 19 |
| Certain boxing match outcome | 28 |
| Certain boxing win, for short | 29 |
| Certain bra size | 16 |
| Certain bra specification | 25 |
| Certain brain size | 18 |
| Certain brain size? | 19 |
| Certain brainiac | 16 |
| Certain brainteaser | 19 |
| Certain branch | 14 |
| Certain brand of rugged footwear, in slang | 42 |
| Certain brass instrument | 24 |
| Certain brazen crime | 20 |
| Certain bread spread | 20 |
| Certain breads or cakes | 23 |
| Certain break point | 19 |
| Certain breakfast container | 27 |
| Certain breakfast dish | 22 |
| Certain breakout | 16 |