adjective, clean·er, clean·est.
- innocent of any crime.
- not having a criminal record.
- carrying or containing no evidence of unlawful activity or intent, as controlled substances, unlicensed weapons, or contraband: The agents searched the car for drugs, but it was clean.
- not using narcotics.
adverb, clean·er, clean·est.
verb (used with object)
verb (used without object)
- to empty in order to straighten or clean.
- to use up; exhaust: He had cleaned out his savings.
- Informal. to drive out by force.
- to empty or rid (a place) of occupants, contents, etc.: Eager customers cleaned out the store on the first day of the sale. The thief cleaned out the safe.
- Slang. to cause to lose all or almost all one's money or possessions.
- to wash or tidy up.
- to rid of undesirable persons or features: They cleaned up the local bars.
- to put an end to; finish: to clean up yesterday's chores.
- Informal. to make a large profit: They cleaned up in the stock market.
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Idioms for clean
- (of a sail or sails) filled with wind; rap full.
- (of a sailing vessel) with all sails full of wind; rap full.
Origin of clean
SYNONYMS FOR clean
synonym study for clean
OTHER WORDS FROM clean
Words nearby clean
British Dictionary definitions for clean up (1 of 2)
- the process of cleaning up or eliminating something
- (as modifier)a cleanup campaign
British Dictionary definitions for clean up (2 of 2)
- (of a nuclear weapon) producing little or no radioactive fallout or contamination
- uncontaminatedCompare dirty (def. 11)
- innocent; not guilty
- not carrying illegal drugs, weapons, etc
- having its bottom clean
- having a satisfactory bill of health
- (of persons) free from ceremonial defilement
- (of animals, birds, and fish) lawful to eat
Derived forms of cleancleanable, adjectivecleanness, noun
Word Origin for clean
Idioms and Phrases with clean up (1 of 2)
Also, clean out. Make clean or orderly, as in She cleaned up the cellar after the flood, or Dad said he cleaned out the garage. [First half of 1800s]
Also, wash up. Wash or tidy oneself, as in Do I have time to clean up before dinner?
Settle or dispose of, as in He cleaned up all the bills that had arrived during his vacation.
Bring to a certain standard of order or morality, as in This script won't do; we'll have to clean up the language. Applied to personal behavior, it also is put as clean up one's act, as in He'll have to clean up his act and obey the rules. [c. 1900]
Succeed, especially financially, as in We had fantastic luck at the races and really cleaned up. [Slang; first half of 1800s]
Also, clean up on. Defeat or vanquish, kill, as in We're cleaning up all the other teams, or With enough ammunition we could clean up on this pocket of snipers. [Slang; mid-1800s]
Idioms and Phrases with clean up (2 of 2)
In addition to the idioms beginning with clean
- clean as a whistle
- clean bill of health
- clean breast
- clean hands, have
- clean house
- cleanliness is next to godliness
- clean out
- clean slate
- clean someone's clock
- clean sweep
- clean up
- come clean
- have a clear (clean) conscience
- keep one's nose clean
- make a clean breast of
- make a clean sweep
- new broom sweeps clean
- take to the cleaners
- wipe the slate clean