| The old country, etc. | 21 |
| The Old Curiosity, e.g. | 23 |
| The old folks | 13 |
| The old frontier you and I don't remember? | 46 |
| The Old Gray Mare for example | 30 |
| The old gray one ain't what she used to be | 46 |
| The old grind for two actresses and two authors | 47 |
| The old heave-ho | 16 |
| The old man | 11 |
| The old man in "The Old Man and the Sea" | 50 |
| The old man's old man | 25 |
| The old man: Ger. | 17 |
| The old maxim about moss gathering? | 35 |
| The old nine-to-five | 20 |
| The old noodle | 14 |
| The old Omni, for one | 21 |
| The old one-two? | 16 |
| The Old Professor | 17 |
| The Old Sod | 11 |
| The old soft shoe | 17 |
| The old soft shoe? | 18 |
| The Old South | 13 |
| The Old World | 13 |
| The old you | 11 |
| The old you? | 12 |
| The Old ___ | 11 |
| The old ___ (Ireland) | 21 |
| The Old ___ Bucket (Indiana-Purdue trophy, slangily) | 52 |
| The old ____ | 12 |
| The old-time photographer preferred the __ | 42 |
| The Olde Towne Team, by another name | 36 |
| The olden days | 14 |
| The older Dumas | 15 |
| The older Gershwin brother | 26 |
| The older it gets, the flatter it gets | 38 |
| The older of two catch players | 30 |
| The oldest animated Simpson | 27 |
| The oldest Brady kid | 20 |
| The oldest Huxtable | 19 |
| The oldest mutual auto insurance company in the U.S. | 52 |
| The oldest of the Baldwin brothers | 34 |
| The oldest Simpson | 18 |
| The olds | 8 |
| The Olsens, e.g. | 16 |
| The Olympians overthrew them | 28 |
| The Olympic Australis and others | 32 |
| The Olympic Australis, e.g. | 27 |
| The Olympic logo has five | 25 |
| The Olympic logo's five | 27 |
| The Olympic rings, e.g. | 23 |
| The Olympics are full of them | 29 |
| The Olympics held in Antwerp | 28 |
| The Olympics' 1980 host and 1984 boycotter | 46 |
| The Omni is one | 15 |
| The Omni, e.g. | 14 |
| The Once- -- ('The Lorax' character) | 44 |
| The Once-__: "The Lorax" character | 44 |
| The Once-___ ("The Lorax" narrator) | 45 |
| The Once-___ (antagonist of "The Lorax") | 50 |
| The Once-___ (Seuss character in "The Lorax") | 55 |
| The Once-___ (Seuss character) | 30 |
| The one and the other | 21 |
| The one and ___ | 15 |
| The one assigned to a bomb? | 27 |
| The one between Harrison and Polk | 33 |
| The one between Tyler and Taylor | 32 |
| The one close by | 16 |
| The one for ewe? | 16 |
| The one for the Taj Mahal has 5922 pieces | 41 |
| The one for this puzzle involves an extra "e" | 55 |
| The one getting toasted | 23 |
| The one here | 12 |
| The One in ''The Matrix'' | 41 |
| The one in a one-two, usually | 29 |
| The one in charge when the parents vacation, usually | 52 |
| The one in last place, e.g. | 27 |
| The one in my hand | 18 |
| The one looking at this puzzle | 30 |
| The one nearby | 14 |
| The one occasion | 16 |
| The one of ''fourth and one'' | 45 |
| The one of fourth-and-one | 25 |
| The one over there | 18 |
| The one puppy that can read? | 28 |
| The one right here | 18 |
| The one run in | 14 |
| The one that | 12 |
| The one that didn't get away | 32 |
| The one that follows | 20 |
| The one that got away | 21 |
| The One That Got Away is one | 31 |
| The one that got away? | 22 |
| The one there | 13 |
| The one thing about an amoeba | 29 |
| The one thing about an amoeba? | 30 |
| The one to blame | 16 |
| The one watching the chicks? | 28 |
| The one who "will be provided for you" | 48 |
| The one with 0 in 7-0 | 21 |
| The one yonder | 14 |