| ''Oklahoma!'' role | 34 |
| ''Oklahoma!'' song subject | 42 |
| ''Ol' Man River'' composer | 46 |
| ''Ol' Man River'' composer Kern | 51 |
| ''Olé,'' for example | 39 |
| ''Old college'' thing | 37 |
| ''Old Folks at Home'' river | 43 |
| ''Old Gray'' one | 32 |
| ''Old MacDonald'' refrain | 41 |
| ''Old MacDonald'' refrain part | 46 |
| ''Old Uncle'' in a Stephen Foster song | 54 |
| ''Old Uncle'' in a Stephen Foster title | 55 |
| ''Old'' British buddy | 37 |
| ''Oliver's Story'' author | 45 |
| ''Olympia'' painter Edouard | 43 |
| ''Omigosh!'' | 28 |
| ''On a scale of one ___'' | 41 |
| ''On Golden Pond'' bird | 39 |
| ''On Golden Pond'' star | 39 |
| ''On Golden __'' | 32 |
| ''On Golden ___'' | 33 |
| ''On the Beach'' author | 39 |
| ''On the Beach'' novelist | 41 |
| ''On the Beach'' novelist Shute | 47 |
| ''On the Beach'' penner Shute | 45 |
| ''On the double!'' | 34 |
| ''On the other hand . . .'' | 43 |
| ''On the Road'' narrator | 40 |
| ''On the Waterfront'' director | 46 |
| ''On the Waterfront'' director Kazan | 52 |
| ''On the __ hand . . .'' | 40 |
| ''On __ Majesty's Secret Service'' | 54 |
| ''Once a Hero'' actor Milo ___ | 46 |
| ''Once in Love With __'' | 40 |
| ''Once more,'' to Li'l Abner | 48 |
| ''Once Upon a Mattress'' legume | 47 |
| ''Once upon a midnight ___ ...'' | 48 |
| ''Once upon ___'' | 33 |
| ''Once ___ a Mattress'' | 39 |
| ''Once ___ a midnight dreary . . .'' | 52 |
| ''Once ___ a time ...'' | 39 |
| ''Once ___ midnight . . . '' | 44 |
| ''One Adam Twelve,'' e.g. | 41 |
| ''One Fine Day'' singer | 39 |
| ''One Flew Over the Cuckoo's Nest'' writer | 62 |
| ''One Happy Island'' | 36 |
| ''One if by land, two if by sea,'' e.g. | 55 |
| ''One L'' author | 32 |
| ''One More Night'' singer Collins | 49 |
| ''One more thing . . .'' | 40 |
| ''One of ___ days, Alice ...'' | 46 |
| ''One of ___'' (Cather novel) | 45 |
| ''One thing ___ another'' | 41 |
| ''One True Thing'' writer Quindlen | 50 |
| ''One ___ land'' (Longfellow) | 45 |
| ''One,'' to Rocky | 33 |
| ''One-horse open sleigh'' follower | 50 |
| ''Only the Good ___ Young'' | 43 |
| ''Only the Lonely'' actress Maureen | 51 |
| ''Only When I Laugh'' actor James | 49 |
| ''Only ___'' | 28 |
| ''Oohs'' companion | 34 |
| ''Oohs'' partners | 33 |
| ''Oops! . . . I Did It Again'' singer | 53 |
| ''Oops!'' | 25 |
| ''Open 10 __ 6'' | 32 |
| ''Open wide'' word | 34 |
| ''Open ___ midnight'' | 37 |
| ''Open, Sesame!'' speaker | 41 |
| ''Open, Sesame'' man | 36 |
| ''Oppression and Liberty'' author Simone | 56 |
| ''Or ___ thought'' | 34 |
| ''Or ___!'' | 27 |
| ''Or ___!'' (veiled threat) | 43 |
| ''Or'' partner | 30 |
| ''Orange'' attachment | 37 |
| ''Ordinary People'' actress | 43 |
| ''Orinoco Flow'' singer | 39 |
| ''Orphee'' painter | 34 |
| ''Otello'' composer | 35 |
| ''Otello'' highlight | 36 |
| ''Otello'', for one | 35 |
| ''Othello'' antagonist | 38 |
| ''Othello'' evildoer | 36 |
| ''Othello'' provocateur | 39 |
| ''Othello'' villain | 35 |
| ''Other'' category, briefly | 43 |
| ''Otherwise . . .'' | 35 |
| ''Otherwise ...'' | 33 |
| ''Otherwise, you'll regret it!'' | 52 |
| ''Oui'' and ''si'' | 50 |
| ''Oui'' opposite | 32 |
| ''Our Father'' | 30 |
| ''Our Gang'' dog | 32 |
| ''Our Man Flint'' star | 38 |
| ''Our Man in Havana'' author | 44 |
| ''Our Miss Brooks'' | 35 |
| ''Our Miss Brooks'' actress | 43 |
| ''Our Miss Brooks'' star | 40 |
| ''Our Miss Brooks'' student Walter | 50 |