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.
Words nearby clean
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
OTHER WORDS FROM clean
WORDS THAT MAY BE CONFUSED WITH cleanclean cleanse (see synonym study at the current entry)cleanliness cleanness
synonym study for clean
British Dictionary definitions for clean out (1 of 2)
verb (tr, adverb)
British Dictionary definitions for clean out (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 out (1 of 2)
See clean up, def. 1.
Empty something of its contents, leave bare. For example, The crows cleaned out the whole field of corn, or At the shop's first sale the customers cleaned out the entire stock of shoes. [Mid-1800s]
Deprive of money or other material resources. This usage originated in gambling, where it signified losing one's last stake. Charles Dickens had it in Oliver Twist (1838): “He has cleaned me out, but I can go and earn some more.” [Early 1800s]
Drive out by force, as in The new CEO tried to get away with cleaning out all employees over the age of 60. [Mid-1800s]
Idioms and Phrases with clean out (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