| clean up one's act |
(informal) to improve one's performance or behavior. |
| clear up |
to become sunny or clear after being cloudy or foggy. [5 definitions] |
| clew up |
in nautical terminology, to haul (a sail) up by ropes running through the clews. |
| clog up |
to block something from moving along or going through. [2 definitions] |
| close-up |
in photography, films, or television, a picture taken at close range to show details, as of facial expression. (Cf. long shot.) [2 definitions] |
| cloud up |
to become cloudy. |
| come up |
to begin to be visible in the sky. [6 definitions] |
| come up with |
to search one's memory or use one's imagination to produce a word, name, idea, or the like. [2 definitions] |
| conjure up |
to produce in the mind; evoke. |
| cook up |
(informal) to concoct; devise. |
| cooped up |
unpleasantly confined. |
| cough up |
(slang) to give over (something demanded, esp. money). [2 definitions] |
| cover up |
to conceal (something damaging or embarrassing). |
| cover-up |
an action or scheme to conceal something, esp. a misdeed or scandal. |
| crack up |
(informal) to break into uncontrollable laughter. [2 definitions] |
| crack-up |
a collision of a vehicle; crash. [2 definitions] |
| crank up |
(informal) to get prepared or begin. [2 definitions] |
| creep up on |
to silently approach from behind or in such as way as to surprise. |
| crop up |
to appear or occur unexpectedly. |
| curl up |
to get into a comfortable sitting or reclining position. |