| One can't stand having this | 31 |
| One cannot take it at face value | 32 |
| One canvasing? | 14 |
| One capful, perhaps | 19 |
| One caplet, perhaps | 19 |
| One Capp of the comics | 22 |
| One captain of the Enterprise | 29 |
| One card game? | 14 |
| One carried Sinbad to safety | 28 |
| One carrying a back pack | 24 |
| One carrying a bag | 18 |
| One carrying a load | 19 |
| One carrying a pack, sometimes | 30 |
| One carrying a toon? | 20 |
| One carrying dust, maybe | 24 |
| One carrying handcuffs | 22 |
| One carrying off carrion | 24 |
| One carrying on | 15 |
| One carrying on a trade | 23 |
| One cast out of paradise | 24 |
| One casting | 11 |
| One casting a "no" vote | 33 |
| One casting aspersions | 22 |
| One catching a lot of waves | 27 |
| One catching a ram's eye | 28 |
| One catching his opponent's ear? | 36 |
| One catching some waves? | 24 |
| One catching some z's | 25 |
| One catching the game | 21 |
| One caught by border patrol | 27 |
| One caught in a draft | 21 |
| One caught in a police sting | 28 |
| One caught in a trap | 20 |
| One caught in the headlights | 28 |
| One caught off base, perhaps | 28 |
| One caught with radar | 21 |
| One cause for Steinem | 21 |
| One cause of a close shave | 26 |
| One cause of absence | 20 |
| One cause of blackouts | 22 |
| One cause of corruption | 23 |
| One cause of crashes | 20 |
| One cause of daytime fatigue | 28 |
| One cause of deforestation | 26 |
| One cause of ennui | 18 |
| One cause of food poisoning | 27 |
| One cause of heavy breathing | 28 |
| One cause of the financial crisis of 2008 | 41 |
| One cause of trembling | 22 |
| One cause of trysts | 19 |
| One causing a buzz | 18 |
| One causing ennui | 17 |
| One causing mayhem | 18 |
| One cauterizing a skin blemish? | 31 |
| One cautioning about opening a soda can? | 40 |
| One celebrating Saint Sava's Day | 36 |
| One cello virtuoso | 18 |
| One chained to a counter | 24 |
| One chained to a desk, say | 26 |
| One changing colors | 19 |
| One changing locks? | 19 |
| One Chaplin | 11 |
| One charged | 11 |
| One charring something | 22 |
| One chased in a car chase, for short | 36 |
| One chasing tail? | 17 |
| One cheating on another, e.g. | 29 |
| One checking around for building supplies? | 42 |
| One checking crossings | 22 |
| One checking out | 16 |
| One checking out a place in planning a crime | 44 |
| One checking out? | 17 |
| One checking stories | 20 |
| One checking things out | 23 |
| One cheered in Baltimore | 24 |
| One chewing out | 15 |
| One chip | 8 |
| One chip, often | 15 |
| One chip, perhaps | 17 |
| One choice from Howie | 21 |
| One choosing a sweater, e.g.? | 29 |
| One choosing Canada over Vietnam | 32 |
| One circuit | 11 |
| One claiming to have the answers | 32 |
| One clapping at a circus? | 25 |
| One clearing dead leaves | 24 |
| One clearing one's throat? | 30 |
| One clever kid? | 15 |
| One climbing the corp. ladder, perhaps | 38 |
| One close to you | 16 |
| One club or one spade | 21 |
| One club, two hearts, etc. | 26 |
| One code-named Renegade by the Secret Service | 45 |
| One cold symptom | 16 |
| One color in the French flag | 28 |
| One color of the rainbow | 24 |
| One column in the periodic table | 32 |
| One come a-wooing | 17 |
| One coming a-courting | 21 |
| One coming down | 15 |