| Building safety partition | 25 |
| Building safety procedure | 25 |
| Building seen on a nickel | 25 |
| Building subcontractor | 22 |
| Building super's ringful | 28 |
| Building supplies giant | 23 |
| Building that goes up easily | 28 |
| Building that holds tools | 25 |
| Building that's often red | 29 |
| Building the Berlin Wall? | 25 |
| Building unit with flanges | 26 |
| Building with a basket | 22 |
| Building with a drill hall | 26 |
| Building with big doors | 23 |
| Building with giant doors | 25 |
| Building with lots of wings | 27 |
| Building with many layers | 25 |
| Building with many layers? | 26 |
| Building with many sides | 24 |
| Building with many tables | 25 |
| Building with stacked roofs | 27 |
| Building without cell phones? | 29 |
| Building's ground level | 27 |
| Building's surroundings | 27 |
| Building-block expertise | 24 |
| Building-planners' org. | 27 |
| Building-toy trade name | 23 |
| Building-trade figures | 22 |
| Buildings at Brown or Rice | 26 |
| Buildings at O'Hare | 23 |
| Buildings built on sand? | 24 |
| Buildings in Boston and Boise | 29 |
| Buildings in capital cities | 27 |
| Buildings often have them | 25 |
| Buildings on some bases | 23 |
| Buildings used for storage | 26 |
| Buildings with many owners | 26 |
| Builds a deck for, say | 22 |
| Builds a karate studio? | 23 |
| Builds a new room, say | 22 |
| Builds a porch for, e.g. | 24 |
| Builds slopes around a fort | 27 |
| Builds up considerably | 22 |
| Buildup around the mouth | 24 |
| Buildup in a bank acct. | 23 |
| Buildup of unfinished work | 26 |
| Buildup on a suit jacket | 24 |
| Built a home out on a limb | 26 |
| Built like a greyhound | 22 |
| Built like many models | 22 |
| Built oneself up, in a way | 26 |
| Built onto the house, maybe | 27 |
| Built starting with nothing | 27 |
| Built the perfect case? | 23 |
| Built to Spill singer Martsch | 29 |
| Built up, as a fortune | 22 |
| Built-in airplane server | 24 |
| Built-in error estimate | 23 |
| Built-in Windows typeface | 25 |
| Bukhara had one until 1920 | 26 |
| Bulb related to onions | 22 |
| Bulb-brightness measure | 23 |
| Bulbed kitchen gadgets | 22 |
| Bulblike bases of stems | 23 |
| Bulbous flower, for short | 25 |
| Bulbs that lost a fight? | 24 |
| Bulbul's lavish prison | 26 |
| Bulfinch's specialty | 24 |
| Bulgaria's capital | 22 |
| Bulgaria's currency | 23 |
| Bulgaria's monetary unit | 28 |
| Bulgaria, Albania et al. | 24 |
| Bulgaria, Greece, etc. | 22 |
| Bulgarian king, 1918-43 | 23 |
| Bulgarian monetary unit | 23 |
| Bulgarian salad green? | 22 |
| Bulgarian's neighbor | 24 |
| Bulgarians and Bosnians | 23 |
| Bulging earthenware vessel | 26 |
| Bulging rear of the skull | 25 |
| Bulgy biceps, slangily | 22 |
| Bulk buyer's enticement | 27 |
| Bulk food aisle container | 25 |
| Bulked up like a weightlifter | 29 |
| Bulky grayish-brown eagle | 25 |
| Bulky lizard from Bamako? | 25 |
| Bulky phone-book section | 24 |
| Bull and Nile, as gods | 22 |
| Bull fiddle's range | 23 |
| Bull Halsey's dept. | 23 |
| Bull Halsey's org. | 22 |
| Bull in a Spanish ring | 22 |
| Bull market necessities? | 24 |
| Bull Moose party: Abbr. | 23 |
| Bull Moose's party: Abbr. | 29 |
| Bull moose, to Roosevelt | 24 |
| Bull on a glue container | 24 |
| Bull or cow in the forest | 25 |
| Bull or fountain chaser | 23 |
| Bull or freak attachment | 24 |