| ___ one's appetite | 22 |
| ___ one's back (supine) | 27 |
| ___ one's beer | 18 |
| ___ one's bluff | 19 |
| ___ one's brain | 19 |
| ___ one's brains | 20 |
| ___ one's brains (thinks) | 29 |
| ___ one's door (stop by) | 28 |
| ___ one's ear (bore) | 24 |
| ___ one's feet (exhausted) | 30 |
| ___ one's gloves (retire) | 29 |
| ___ one's head | 18 |
| ___ one's heels | 19 |
| ___ one's keep | 18 |
| ___ one's laurels | 21 |
| ___ one's laurels (be content) | 34 |
| ___ one's laurels (is content) | 34 |
| ___ one's loins | 19 |
| ___ one's lucky stars | 25 |
| ___ one's money | 19 |
| ___ one's own juice | 23 |
| ___ one's piece | 19 |
| ___ one's pockets (profited unfairly) | 41 |
| ___ one's prime | 19 |
| ___ one's rights | 20 |
| ___ one's safety | 20 |
| ___ one's shirt | 19 |
| ___ one's side (annoyance) | 30 |
| ___ one's stars | 19 |
| ___ one's stuff | 19 |
| ___ one's stuff (show off) | 30 |
| ___ one's thumbs | 20 |
| ___ one's time | 18 |
| ___ one's time (pass the hours) | 35 |
| ___ one's time (wait for an opportunity) | 44 |
| ___ one's time (wait for the right moment) | 46 |
| ___ one's time (wait) | 25 |
| ___ one's time (waited) | 27 |
| ___ one's time (waits patiently) | 36 |
| ___ one's trade (work) | 26 |
| ___ one's troth | 19 |
| ___ one's voice (cry aloud) | 31 |
| ___ one's way (go) | 22 |
| ___ one's way (goes) | 24 |
| ___ one's way (navigate) | 28 |
| ___ one's way (proceed along) | 33 |
| ___ one's way (proceed) | 27 |
| ___ one's ways | 18 |
| ___ one's ways (obstinate) | 30 |
| ___ one's ways (rigid) | 26 |
| ___ one's ways (stubborn) | 29 |
| ___ one's welcome | 21 |
| ___ one's words | 19 |
| ___ one's words (recant) | 28 |
| ___ one's words (soften) | 28 |
| ___ one, purl two | 17 |
| ___ one-eighty | 14 |
| ___ one-eighty (turns around) | 29 |
| ___ oneself (endeavor) | 22 |
| ___ oneself (goes) | 18 |
| ___ oneself (manage alone) | 26 |
| ___ oneself (mimicked a serial killer, perhaps) | 47 |
| ___ oneself (share private thoughts) | 36 |
| ___ oneself (skip) | 18 |
| ___ oneself of | 14 |
| ___ oneself on (had an ego about) | 33 |
| ___ onion | 9 |
| ___ onion (squill) | 18 |
| ___ Online (long-running MMORPG created by Lord British) | 56 |
| ___ Online (long-running MMORPG) | 32 |
| ___ only | 8 |
| ___ only (sans pictures) | 24 |
| ___ Ono | 7 |
| ___ Ono Lennon | 14 |
| ___ onto | 8 |
| ___ onto (grab hold of) | 23 |
| ___ onto (grab) | 15 |
| ___ onto (take hold of) | 23 |
| ___ onto (take possession of) | 29 |
| ___ open (give access) | 22 |
| ___ open road | 13 |
| ___ opera | 9 |
| ___ Opera of Chicago | 20 |
| ___ operandi | 12 |
| ___ operandi (methods) | 22 |
| ___ operandi (procedures) | 25 |
| ___ operandi (ways of operating) | 32 |
| ___ operandi (ways of working) | 30 |
| ___ operandi (ways) | 19 |
| ___ operas (Gilbert and Sullivan works) | 39 |
| ___ operation: division calculation in computing | 48 |
| ___ Opey Dildock, of comics | 27 |
| ___ opposite | 12 |
| ___ opposites | 13 |
| ___ opposition (be uncontested) | 31 |
| ___ optics | 10 |
| ___ Optics (telescope maker) | 28 |
| ___ or butter | 13 |
| ___ or con | 10 |
| ___ or fiction | 14 |