| clean and jerk |
a weightlifting movement in which the barbell is lifted from the floor and, in one continuous movement, raised over the head with the arms fully extended upward. |
| clean bill of health |
(informal) an affirmation of satisfactory condition, qualification, or the like. |
| clean house |
to force out all undesired people or things. |
| clean out |
(informal) to rid (someone) of money. [2 definitions] |
| clean room |
an enclosed space kept as free as possible of any contaminants such as dust or germs, as for the production of highly sensitive precision parts. |
| clean slate |
an honorable record. [2 definitions] |
| clean up |
to wash or clean (something). [4 definitions] |
| clean up one's act |
(informal) to improve one's performance or behavior. |
| clean-cut |
having a neat, regular, well-defined shape or outline. [2 definitions] |
| clean-handed |
free of responsibility or guilt; blameless. |
| clean-shaven |
hairless or without facial hair, as from recent shaving. |
| come clean |
(informal) to admit the truth. |
| dry-clean |
to clean (garments, drapes, or the like) using chemicals other than water. |
| pipe cleaner |
a short length of wire, twisted to secure small tufts of yarn along its length, that is used to clean tobacco residue from the stems of pipes. |
| to make a clean breast of |
to confess or divulge. |
| vacuum cleaner |
an electrical appliance that cleans floors, carpets, and the like by suction; vacuum sweeper. |