| "Only God can make" one: Kilmer | 41 |
| "Only in Amerika" ___ PE | 34 |
| "Only one Granny Smith for you, Bugs"? | 48 |
| "Only the Good Die Young" Billy | 41 |
| "Only the Good ___ Young" | 35 |
| "Only the Lonely" singer | 34 |
| "Only the Lonely" songwriter | 38 |
| "Only Time Will Tell" band | 36 |
| "Only Time Will Tell" singers | 39 |
| "Only Time ___" (Loretta Lynn song) | 45 |
| "Only Time" New Age singer | 36 |
| "Only Time" singer, 2001 | 34 |
| "Only When I Laugh" actor James | 41 |
| "Only When I __": 1968 British comedy | 47 |
| "Only Women Bleed" Cooper | 35 |
| "Only You" band, in the U.S. | 38 |
| "Only You" group, with "the" | 48 |
| "Only ___ a time, please" | 35 |
| "Only ___" (NPR program) | 34 |
| "Only ___" (Oingo Boingo song) | 40 |
| "Oo la la!" jeans, informally | 39 |
| "Ooh la la!" (hidden in HALF A POUND) | 47 |
| "Ooh, aren't you special!" | 40 |
| "Ooh, I'm shaking in my boots!" | 45 |
| "Ooh, that feels good ..." | 36 |
| "Ooh, that's disgusting!" | 39 |
| "Ooky" TV and film cousin | 35 |
| "Oooh, that ___" Skynyrd | 34 |
| "Ooooooohhh ... On the TLC ___" | 41 |
| "Oops! I made a mistake!" | 35 |
| "Oops! I made a mistake" | 34 |
| "Oops!" list, in a book | 33 |
| "Oops!" list, in publishing | 37 |
| "Oops!" to a paramecium? | 34 |
| "Oops!... I Did It Again" singer | 42 |
| "Oops, almost forgot ..." | 35 |
| "Oorah!" shouter's group | 38 |
| "Opal" or "coal" ending | 43 |
| "Open 24 hours" sign material, often | 46 |
| "Open 24 hours" sign, maybe | 37 |
| "Open 24 hours" sign, perhaps | 39 |
| "Open a New Window" musical | 37 |
| "Open all night" sign, maybe | 38 |
| "Open late" sign, maybe | 33 |
| "Open mouth, ___ foot" | 32 |
| "Open spaces" prefix for phobia | 41 |
| "Open the door, dude ..." | 35 |
| "Open the ___ bay doors, HAL" | 39 |
| "Open Your Heart" vocalist | 36 |
| "Open ___ 9" (shop sign) | 34 |
| "Open ___" (dentist's plea) | 41 |
| "Open ___" (magical command) | 38 |
| "Open ___" (resort boast) | 35 |
| "Open ___" (store sign) | 33 |
| "Open ___, Richard," 1947 song | 40 |
| "Open" and "Closed" | 39 |
| "Open" and "Closed," for two | 48 |
| "Open" or "pigeon" add-on | 45 |
| "Open, sesame!" speaker | 33 |
| "Open, sesame" speaker | 32 |
| "Openings in the Old Trail" author | 44 |
| "Operation Bikini" co-star, 1963 | 42 |
| "Operation Santa Claus" org. | 38 |
| "Operation Solomon" airline | 37 |
| "Operation ___" (truTV reality show) | 46 |
| "Operator" singer, 1972 | 33 |
| "Opposed," in the boonies | 35 |
| "Opposites Attract" Abdul | 35 |
| "Opposites Attract" Paula | 35 |
| "Oppression et Liberté" author | 43 |
| "Oprah & Friends" airer | 37 |
| "Opus___" (work of God) | 33 |
| "Or leave ___ but in the cup": Jonson | 47 |
| "Or lend ___ to Plato . . . ": Tennyson | 49 |
| "Or what's a ___ for?": Browning | 46 |
| "Or __!" (threat ender) | 33 |
| "Or ___ swoon to death": Keats | 40 |
| "Or ___!" (bully's words) | 39 |
| "Or ___!" (threat ender) | 34 |
| "Or ___!" (threat ending) | 35 |
| "Or ___!" (threat ultimatum) | 38 |
| "Or ___!" (veiled threat) | 35 |
| "Or ___!" (words of a threat) | 39 |
| "Or ___" (ultimatum words) | 36 |
| "Or" follower, in an ultimatum | 40 |
| "Oracular Spectacular" band | 37 |
| "Orange Disaster #5" artist | 37 |
| "Orange Is the New Black" protagonist | 47 |
| "Orange Sky" singer Murdoch | 37 |
| "Orange" drink that's really black | 48 |
| "Orange, Red, Yellow" painter Mark | 44 |
| "Oranges & Lemons" rock group | 43 |
| "Orare ___ laborare . . . " | 37 |
| "Ordem e Progresso" nación | 39 |
| "Order in the court!" punctuator | 42 |
| "Order of the Arrow" org. | 35 |
| "Ordinary People" actress | 35 |
| "Ordinary People" Oscar winner | 40 |
| "Orfeo ed Euridice" god | 33 |
| "Orfeo ed Euridice" role | 34 |