| Butterfly's "Un bel di" | 37 |
| Butterlike substance used in cooking and soaps | 46 |
| Butthole Surfers lead singer Gibby | 34 |
| Butting heads, charging other sheep, etc.? | 42 |
| Butting in when one shouldn't | 33 |
| Button abbr. on a scientific calculator | 39 |
| Button marked with two vertical bars | 36 |
| Button mashed when losing a video game | 38 |
| Button misguided career move begs | 33 |
| Button often used with Ctrl and Del | 35 |
| Button on Google's search engine | 36 |
| Button on James Bond's dashboard? | 37 |
| Button on VCRs, but not DVD players | 35 |
| Button pressed in a moment of panic | 35 |
| Button putting everything back to zero | 38 |
| Button rockers want to press after career err | 45 |
| Button that'll take you back | 32 |
| Button with a square logo, often | 32 |
| Button with an envelope on it, perhaps | 38 |
| Button with two triangles: Abbr. | 32 |
| Button you might have to poke with a paper clip | 47 |
| Buttonholer's target, perhaps | 33 |
| Buttons in ''Hatari!'' | 38 |
| Buttons up for an Oscar in '58 | 34 |
| Buttressed (with ''up'') | 40 |
| Buttressed (with "up") | 32 |
| Buxom woman for a fourteen-year-old boy, often | 46 |
| Buy another item for, as a collection | 37 |
| Buy goods at one's own auction | 34 |
| Buy, renovate and resell quickly | 32 |
| Buy-now-pay-later arrangement: Abbr. | 36 |
| Buyable letters on "Wheel of Fortune" | 47 |
| Buyer of "Gangsta's Paradise"? | 44 |
| Buyer's spending possibilities, least-to-most | 49 |
| Buying and selling in a Cairo market? | 37 |
| Buying candy, sending flowers, caressing, etc. | 46 |
| Buying option for big-ticket items | 34 |
| Buzz Aldrin's alma mater: Abbr. | 35 |
| Buzz Aldrin's mother's apt maiden name | 46 |
| Buzz Aldrin's real first name | 33 |
| Buzz Lightyear and Woody, for two | 33 |
| Buzz Lightyear's first movie | 32 |
| Buzz on "The Simpsons," e.g. | 38 |
| Buzz over New York City animals? | 32 |
| Buzz's companion on the moon | 32 |
| Buzzer beater that ends a contest | 33 |
| Buzzer beaters and game-winning catches? | 40 |
| Buzzer on "This Old House" | 36 |
| Buzzer-beater's sound, sometimes | 36 |
| Buzzfeed parody site run by The Onion | 37 |
| Buzzi of ''Laugh-In'' | 37 |
| By area, the third-largest country in the E.U. | 46 |
| By itself or when doubled, a tot's stomach | 46 |
| By law, it can't be destroyed - or produced | 47 |
| By many accounts, it began with Charlemagne | 43 |
| By surface area, second-largest Great Lake | 42 |
| By the piece vs. by the plate, perhaps | 38 |
| By tradition, no pope chooses this name | 39 |
| By way of, in simplified spelling | 33 |
| Bygone audio brand bought by Sony in 2002 | 41 |
| Bygone Black Sea borderers: Abbr. | 33 |
| Bygone brand in the shaving aisle | 33 |
| Bygone brand with a torch in its logo | 37 |
| Bygone British Airways plane, briefly | 37 |
| Bygone children's book character | 36 |
| Bygone comic who would make a lousy baker? | 42 |
| Bygone company with a tiger mascot | 34 |
| Bygone company with yellow-roofed kiosks | 40 |
| Bygone country name or its currency | 35 |
| Bygone daily MTV series, informally | 35 |
| Bygone Hollywood star known for tough-guy roles | 47 |
| Bygone magazine known for its photography | 41 |
| Bygone means of corporal punishment | 35 |
| Bygone missile with a tribal name | 33 |
| Bygone multinational political group (1976-1997) | 48 |
| Bygone New York daily, with "the" | 43 |
| Bygone operator of N.Y.C.'s Second Avenue El | 48 |
| Bygone P.M. with a palindromic name | 35 |
| Bygone phone company, familiarly | 32 |
| Bygone rulers in Iranian history | 32 |
| Bygone travel option, informally | 32 |
| Bygone U.S. Postal Service mascot | 33 |
| Bygone voting bloc, with "the" | 40 |
| Bygone way of defending one's honor | 39 |
| Bygone Yankee great, with "the" | 41 |
| Bypass record company w/side project | 36 |
| Bypass record deal w/side project | 33 |
| Byproduct of a homely dairy cow? | 32 |
| Byproduct of a portly dairy cow? | 32 |
| Byproduct of an exhausted dairy cow? | 36 |
| Byproduct of an irate dairy cow? | 32 |
| Byproduct of elbow grease, perhaps | 34 |
| Byrd's journey to Antarctica, e.g. | 38 |
| Byrnes of ''77 Sunset Strip'' | 45 |
| Byrnes of "77 Sunset Strip" | 37 |
| Byrnes of "What a Girl Wants" | 39 |
| Byrnes of TV's "77 Sunset Strip" | 46 |
| Byron Barr's stage name, ___ Young | 38 |
| Byron of "MythBusters" | 32 |
| Byron's "best of prophets" | 40 |