| One past recovery | 17 |
| One past his prime | 18 |
| One past due? | 13 |
| One past due | 12 |
| One past 12 | 11 |
| One passing up a paycheck for experience | 40 |
| One passing through | 19 |
| One passing the bar | 19 |
| One passing out cigars, maybe | 29 |
| One passing notes? | 18 |
| One passing bad checks | 22 |
| One passing a gate | 18 |
| One passing a course with flying colors? | 40 |
| One passing | 11 |
| One passes with it, barely | 26 |
| One passed out on New Year's Eve | 36 |
| One passed by a sprinter | 24 |
| One passed by a runner | 22 |
| One partner? | 12 |
| One partner | 11 |
| One partial to Scarlett | 23 |
| One part of ENT ... | 19 |
| ONE PART OF EMPLOYEE RETURNS TO JOB! | 36 |
| One part of a whole | 19 |
| One part of a flight | 20 |
| One part in a hundred | 21 |
| One parodied on "Portlandia" | 38 |
| One paid to take people out? | 28 |
| One paid to play | 16 |
| One paid to make hoops, briefly | 31 |
| One paid to make calls | 22 |
| One paid to help you get a grip? | 32 |
| One paid to get shot | 20 |
| One paid to do a balancing act, briefly | 39 |
| One paid to be others | 21 |
| One paid to be a go-between | 27 |
| One paid to act as a go-between | 31 |
| One paid for services rendered? | 31 |
| One paid for giving a tip | 25 |
| One Pac-Man ghost | 17 |
| One overseen by a sgt. | 22 |
| One overseas | 12 |
| One overly modest | 17 |
| One overly concerned with propriety | 35 |
| One overly concerned with details | 33 |
| One overcoming low self-esteem? | 31 |
| One overacting | 14 |
| One over you, perhaps | 21 |
| One over two | 12 |
| One over the limit | 18 |
| One over par: Var. | 18 |
| One over par, in golf | 21 |
| One over par | 12 |
| One over one under | 18 |
| One over due | 12 |
| One over a birdie | 17 |
| One over 65, perhaps | 20 |
| One over | 8 |
| One outwardly powerful, inwardly weak | 37 |
| One out? | 8 |
| One out to right a wrong | 24 |
| One out on a limb? | 18 |
| One out on a limb | 17 |
| One out of two | 14 |
| One out of three in Iowa: Abbr. | 31 |
| One out of the cooler, maybe | 28 |
| One out of ten | 14 |
| One out of prison | 17 |
| One out of his element | 22 |
| One out of fashion | 18 |
| One out of a hundred: abbr. | 27 |
| One out of 10? | 14 |
| One out front: Abbr. | 20 |
| One out for blood | 17 |
| One out for a buck? | 19 |
| One out early | 13 |
| One out | 7 |
| One ornamenting | 15 |
| One ordered to take two tablets | 31 |
| One ordered to stop? | 20 |
| One ordered to have a stroke | 28 |
| One orbit around the sun | 24 |
| One or two, ironically | 22 |
| One or two, e.g. | 16 |
| One or two vehicles? | 20 |
| One or two spreads? | 19 |
| One or two of them often make a lot | 35 |
| One or two game implements? | 27 |
| One or two carriers? | 20 |
| One or two bucks | 16 |
| One or two beverages? | 21 |
| One or two | 10 |
| One or twenty, e.g. | 19 |
| One or thing starter | 20 |
| One or the other | 16 |
| One or some | 11 |
| One or side | 11 |
| One or more prefix | 18 |
| One or more preceder | 20 |
| One or more ancient Egyptian kings | 34 |