| Building inspector's discovery | 34 |
| Building inspector's expertise | 34 |
| Building material applied with a trowel | 39 |
| Building material for Great Plains settlers | 43 |
| Building material for Solomon's Temple | 42 |
| Building material for some houses | 33 |
| Building often adjacent to a convention center | 46 |
| Building often named for a corporation | 38 |
| Building on a 1936 centennial stamp | 35 |
| Building on San Antonio's city flag | 39 |
| Building on the back of a $50 bill | 34 |
| Building on the back of a fifty-dollar bill | 43 |
| Building superintendent's gadget | 36 |
| Building that may be about to go up? | 36 |
| Building toy brand in competition with Lego | 43 |
| Building toy with an apostrophe in its name | 43 |
| Building unit / Set-off chunks of text | 38 |
| Building up to the loudest point | 32 |
| Building usually without a 13th floor | 37 |
| Building with a locomotive turntable | 36 |
| Building with a triangular cross section | 40 |
| Building with walls for a ceiling | 33 |
| Building you probably shouldn't smoke in | 44 |
| Buildings often segregated by floor | 35 |
| Buildings on the English countryside | 36 |
| Buildings where bills are produced | 34 |
| Buildings with steeply pitched roofs | 36 |
| Builds a wing for, as a building | 32 |
| Builds something on which Apaches can land? | 43 |
| Buildup to an international conflict? | 37 |
| Built like George on "Seinfeld" | 41 |
| Built to Spill "___ and Burning" | 42 |
| Built to Spill's state: Abbr. | 33 |
| Built up and destroyed protoplasm | 33 |
| Built-in feature of the Apple II | 32 |
| Built-in part of a tank top, maybe | 34 |
| Bulb that causes pain in the eyes | 33 |
| Bulb-buyer's personal concern? | 34 |
| Bulbs in the kitchen purchased ahead of time? | 45 |
| Bulg. and Lith. joined it in 2004 | 33 |
| Bulgarian coin worth 100 stotinki | 33 |
| Bulge under a hit man's jacket, maybe | 41 |
| Bulk of a TV network's income | 33 |
| Bull (transliterated from the Greek) | 36 |
| Bull Halsey in W.W. II, e.g.: Abbr. | 35 |
| Bull's counterpart, in the market | 37 |
| Bull's opposite, on Wall Street | 35 |
| Bull's-___ (center of a dartboard) | 38 |
| BullÂ’s hangup at the haberdasher? | 37 |
| Bullet at a board of directors meeting, perhaps | 47 |
| Bullet, to a Texas Hold'Em player | 37 |
| Bulletin board hardware blueprint? | 34 |
| Bullets Over Broadway director | 33 |
| Bullets, bombs and shells, informally | 37 |
| Bullfight "All right!" | 32 |
| Bullfighter booster's bellow | 32 |
| Bullfighters' entrance march | 32 |
| Bullied, in a way, with "on" | 38 |
| Bullock blocks are at their heads | 33 |
| Bullock of ''Speed'' | 36 |
| Bullock of "The Blind Side" | 37 |
| Bullock's co-star in "Speed" | 42 |
| Bullock's husband in "Crash" | 42 |
| Bullring ''Bravo!'' | 35 |
| Bulls' fans don't want to hear these | 44 |
| Bulls' fans don't want to hear these? | 45 |
| Bullwinkle pal who's been working out? | 42 |
| Bullwinkle's favorite dessert? | 34 |
| Bullwinkle's flying squirrel friend | 39 |
| Bullwinkle's salon application? | 35 |
| Bully in "Calvin and Hobbes" | 38 |
| Bully's name for the kid in glasses | 39 |
| Bully's prey, in stereotypes | 32 |
| Bulwer-Lytton's "Eugene ___" | 42 |
| Bum's ___ (abrupt dismissal) | 32 |
| Bumblebee in the Transformers movies, for one | 45 |
| Bumbler in "The Pink Panther" | 39 |
| Bump on ___ (epitome of idleness) | 33 |
| Bumper sticker phrase with heart? | 33 |
| Bumper sticker slogan for Stooges fans? | 39 |
| Bumping into one could provide a shock | 38 |
| Bumping into someone you never want to see again? | 49 |
| Bumping one's head on the ceiling, say | 42 |
| Bumppo of "Leatherstocking Tales" | 43 |
| Bun's place, in a pregnancy euphemism | 41 |
| Bunch of tools for a gallery worker? | 36 |
| Bundle of bills for freeing a jailbird? | 39 |
| Bundle of money on a table, sometimes | 37 |
| Bundled units, in some product names | 36 |
| Bungled attempt to make a ball spin? | 36 |
| Bungled bus transfer in Ontario metropolis? | 43 |
| Bunker of ''All in the Family'' | 47 |
| Bunker's epithet for his son-in-law | 39 |
| Bunny's favorite restaurant chain? | 38 |
| Bunyan's "Slough of Despond" | 42 |
| Bunyan's sad, sexy sidekick? | 32 |
| Buoyant wood sometimes used in rafts | 36 |
| Burbank's airport is named for him | 38 |
| Burden for a Bedouin's camel | 32 |
| Burden for Cliff, in "Cheers" | 39 |