| One-upped, in a way | 19 |
| One-upped | 9 |
| One-upmanship on the set | 24 |
| One-up with smarts | 18 |
| One-up trick | 12 |
| One-up the duchess? | 19 |
| One-up tactics | 14 |
| One-up tactic | 13 |
| One-up maneuver | 15 |
| One-up job | 10 |
| One-up at the poker table, maybe | 32 |
| One-up | 6 |
| One-two's one | 17 |
| One-two wager | 13 |
| One-two track options | 21 |
| One-two target | 14 |
| One-two subject | 15 |
| One-two punch leadoff | 21 |
| One-two part, sometimes | 23 |
| One-two part | 12 |
| One-two link for Welk | 21 |
| One-two in the ring? | 20 |
| One-two connector | 17 |
| One-two bet | 11 |
| One-twentieth of MMMXX | 22 |
| One-twentieth of an old franc | 29 |
| One-twentieth of a ton (abbr.) | 30 |
| One-twentieth of a shekel | 25 |
| One-twentieth of a franc, once | 30 |
| One-twelfth of the AA program | 29 |
| One-twelfth of a pica | 21 |
| One-twelfth of a gross | 22 |
| One-twelfth of a foot | 21 |
| One-trillionth: Comb. form | 26 |
| One-trick ___ | 13 |
| One-track transport | 19 |
| One-track | 9 |
| One-touch phone feature | 23 |
| One-touch convenience | 21 |
| One-toothed dragon of old children's TV | 43 |
| One-ton beast | 13 |
| One-to-one, e.g. | 16 |
| One-to-one learner | 18 |
| One-to-nine items | 17 |
| One-time, once | 14 |
| One-time Yukon capital, ___ City | 32 |
| One-time Yugoslavian president | 30 |
| One-time Yugoslavian | 20 |
| One-time Yugoslav leader | 24 |
| One-time Yugoslav chief | 23 |
| One-time YouTube sensation Zonday | 33 |
| One-time Yankees manager | 24 |
| One-time word processors | 24 |
| One-time word in a marriage vow | 31 |
| One-time Winter Palace occupant | 31 |
| One-time Winter Palace dwellers | 31 |
| One-time Wimbledon winner | 25 |
| One-time wife of Mickey and Frank | 33 |
| One-time wife of Mickey | 23 |
| One-time wife of Frank Sinatra | 30 |
| One-time White House nickname | 29 |
| One-time water source | 21 |
| One-time Washington Senator hopeful | 35 |
| One-time Wall St. watchdog | 26 |
| One-time video game sensation | 29 |
| One-time ventilator used in fighting polio | 42 |
| One-time Venetian coin | 22 |
| One-time Vegas game | 19 |
| One-time US spy group | 21 |
| One-time UN head | 16 |
| One-time U.S. alliance | 22 |
| One-time TV showing | 19 |
| One-time TV show | 16 |
| One-time TV medical expert Art | 30 |
| One-time TV host O'Donnell | 30 |
| One-time TV angel | 17 |
| One-time Turkish title | 22 |
| One-time Turkish governors | 26 |
| One-time Tunisian rulers | 24 |
| One-time transatlantic speedsters | 33 |
| One-time Toyota rival | 21 |
| One-time towel, perhaps | 23 |
| One-time Toronado maker | 23 |
| One-time title for Billy Crystal | 32 |
| One-time Time critic James | 26 |
| One-time tennis champ | 21 |
| One-time talker O'Donnell | 29 |
| One-time talk show host Crane | 29 |
| One-time Swedish statesman | 26 |
| One-time surgeon general C. Everett | 35 |
| One-time superpower | 19 |
| One-time streetcar | 18 |
| One-time stratospheric streaker | 31 |
| One-time stogie | 15 |
| One-time Sting operation? | 25 |
| One-time spouses | 16 |
| One-time spokesman Fleischer | 28 |
| One-time spendables in Rome | 27 |
| One-time special prosecutor | 27 |
| One-time Spanish queen consort and namesakes | 44 |