| By its very nature, in law | 26 |
| By itself, to start with | 24 |
| By means of, for short | 22 |
| By no means long-winded | 23 |
| By oneself, as at a dance | 25 |
| By order of succession | 22 |
| By the day, as payment | 22 |
| By the joint action of | 22 |
| By the lowest estimation | 24 |
| By the __: in quantity | 22 |
| By the ___ (in great numbers) | 29 |
| By the ___ (incidentally) | 25 |
| By the ___ of one's pants | 29 |
| By the ___ one's pants | 26 |
| By virtue of worthiness | 23 |
| By way of, on road signs | 24 |
| By whatever means possible | 26 |
| By yesterday, so to speak | 25 |
| By __ (one way to learn) | 24 |
| By ___ (intermittently) | 23 |
| By ___ (photo-finish phrase) | 28 |
| By ___ of (using effort) | 24 |
| By-product of oil refining | 26 |
| By-products of marriage | 23 |
| By-the-hole golf contest | 24 |
| By-the-numbers painters | 23 |
| Bye at the French Open? | 23 |
| Bye week, in publishing | 23 |
| Bye, somewhere overseas | 23 |
| Bye-bye, in Marseilles | 22 |
| Byelorussia is one: Abbr. | 25 |
| Byelorussia's capital | 25 |
| Byelorussia, e.g.: Abbr. | 24 |
| Byelorussian ___: Abbr. | 23 |
| Byes at the French Open? | 24 |
| Bygone "birds" | 24 |
| Bygone "by and by" | 28 |
| Bygone "Got it" | 25 |
| Bygone Acura sports car | 23 |
| Bygone aircraft, briefly | 24 |
| Bygone airline letters | 22 |
| Bygone American subcompacts | 27 |
| Bygone autocrat (Var.) | 22 |
| Bygone Barcelona bread | 22 |
| Bygone barrier breakers | 23 |
| Bygone beast, for short | 23 |
| Bygone bipedal beast, briefly | 29 |
| Bygone bird of New Zealand | 26 |
| Bygone bookstore chain | 22 |
| Bygone bowling alley employee | 29 |
| Bygone brand on U.S. highways | 29 |
| Bygone Brazilian airline | 24 |
| Bygone bringers of blocks | 25 |
| Bygone Buckeye State company | 28 |
| Bygone celeb-sighting eatery | 28 |
| Bygone Chevrolet models | 23 |
| Bygone Chevy subcompact | 23 |
| Bygone classroom features | 25 |
| Bygone coalition: Abbr. | 23 |
| Bygone comedian Martha | 22 |
| Bygone computer necessity | 25 |
| Bygone cry of high spirits | 26 |
| Bygone days, in bygone days | 27 |
| Bygone delivery person | 22 |
| Bygone delivery vehicle | 23 |
| Bygone depilatory brand | 23 |
| Bygone doctor's service | 27 |
| Bygone European capital | 23 |
| Bygone fast flier, briefly | 26 |
| Bygone fast jet, briefly | 24 |
| Bygone field goal attempt | 25 |
| Bygone flier, for short | 23 |
| Bygone flightless bird | 22 |
| Bygone flock of New Zealand | 27 |
| Bygone Ford car, informally | 27 |
| Bygone form of copying | 22 |
| Bygone Fox teen series | 22 |
| Bygone game-show host Jack | 26 |
| Bygone gas station freebie | 26 |
| Bygone gas-station freebie | 26 |
| Bygone General Motors brand | 27 |
| Bygone geographical inits. | 26 |
| Bygone Gus Edson comic strip | 28 |
| Bygone hair removal brand | 25 |
| Bygone Honda CR-V rival | 23 |
| Bygone Iranian leaders | 22 |
| Bygone Iranian monarchs | 23 |
| Bygone Italian monetary unit | 28 |
| Bygone Japanese audio brand | 27 |
| Bygone Japanese camera brand | 28 |
| Bygone Japanese car name | 24 |
| Bygone jets, informally | 23 |
| Bygone Kremlin resident | 23 |
| Bygone Lanvin fragrance | 23 |
| Bygone Las Vegas casino | 23 |
| Bygone Las Vegas hotel | 22 |
| Bygone laundry detergent | 24 |
| Bygone leader with a goatee | 27 |
| Bygone library feature | 22 |
| Bygone London landmark | 22 |