1

clean

play
adjective \ˈklēn\

Definition of clean

  1. 1a :  free from dirt or pollution changed to clean clothes clean solar energyb :  free from contamination or disease a clean woundc :  free or relatively free from radioactivity a clean atomic explosion

  2. 2a :  unadulterated, pure the clean thrill of one's first flightb of a precious stone :  having no interior flaws visiblec :  free from growth that hinders tillage clean farmland

  3. 3a :  free from moral corruption or sinister connections of any kind a candidate with a clean record; also :  free from violations a clean driving recordb :  free from offensive treatment of sexual subjects and from the use of obscenity a clean jokec :  observing the rules :  fair a clean fight

  4. 4 :  ceremonially or spiritually pure and all who are clean may eat flesh — Leviticus 7:19 (Revised Standard Version)

  5. 5a :  thorough, complete a clean break with the pastb :  deftly executed :  skillful clean ballet technique The gymnast made a clean landing.c :  hit beyond the reach of an opponent a clean single to center

  6. 6a :  relatively free from error or blemish :  clear; specifically :  legible clean copyb :  unencumbered clean bill of sale

  7. 7a :  characterized by clarity and precision :  trim a clean prose style architecture with clean almost austere linesb :  even, smooth a clean edge a sharp blow causing a clean breakc :  free from external hindrances to smooth flow (as of water or air) a clean airplane a ship with a clean bottom

  8. 8a :  empty the ship returned with a clean holdb :  free from drug addiction has been clean for six monthsc slang :  having no contraband (such as weapons or drugs) in one's possession All visitors to the prison are searched to make sure they're clean.d of a computer :  not having anything added by a user installed the software on a clean computer

  9. 9 :  habitually neat

cleanness

play \ˈklēn-nəs\ noun

Examples of clean in a Sentence

  1. This table isn't clean. There's a sticky spot where something spilled.

  2. He keeps a very clean house.

  3. The janitor does a good job of keeping the office clean.

  4. I wiped the baby's face clean.

  5. He's a clean young man.

  6. Cats are very clean animals.

  7. Solar power provides clean energy.

Recent Examples of clean from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clean'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of clean

Middle English clene, from Old English clǣne; akin to Old High German kleini delicate, dainty


2

clean

adverb

Definition of clean

  1. 1a :  so as to clean a new broom sweeps cleanb :  in a clean manner play the game clean

  2. 2 :  all the way :  completely the bullet went clean through his arm

Examples of clean in a Sentence

  1. Somehow, the top of the machine came clean off.

  2. The nail went clean through the wall.

  3. The fish were jumping clean out of the water.

Origin and Etymology of clean

see 1clean


3

clean

verb

Definition of clean

  1. transitive verb
  2. 1a :  to make clean: such as (1) :  to rid of dirt, impurities, or extraneous matter clean a wound (2) :  to rid of corruption vowing to clean up city hallb :  remove, eradicate —usually used with up or off clean up that mess

  3. 2a :  strip, empty a tree cleaned of fruitb :  to remove the entrails from clean fishc :  to deprive of money or possessions —often used with out they cleaned him out completely

  4. intransitive verb
  5. :  to undergo or perform a process of cleaning clean up before dinner

cleanability

play \ˌklē-nə-ˈbi-lə-tē\ noun

cleanable

play \ˈklē-nə-bəl\ adjective

clean house

  1. 1 :  to clean a house and its furniture

  2. 2 :  to make sweeping reforms or changes (as of personnel)

clean one's clock

  1. :  to beat one badly in a fight or competition

clean up one's act

  1. :  to behave in a more acceptable manner

Examples of clean in a Sentence

  1. The carpet needs to be cleaned.

  2. They divide household duties so that she cleans and her husband cooks.

  3. They cleaned the fish and cooked them on the campfire.

  4. skin and clean a rabbit

Recent Examples of clean from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clean'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of clean

see 1clean


4

clean

noun

Definition of clean

  1. :  an act of cleaning dirt especially from the surface of something She gave the tub a good clean.

Recent Examples of clean from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clean'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of clean

see 1clean


CLEAN Defined for English Language Learners

clean

play
adjective

Definition of clean for English Language Learners

  • : free from dirt, marks, etc. : not dirty

  • : tending to keep clean

  • : free from pollution or other dangerous substances

clean

adverb

Definition of clean for English Language Learners

  • : all the way : completely or entirely

clean

verb

Definition of clean for English Language Learners

  • : to make (something) clean : to remove dirt, marks, etc., from (something)

  • : to become clean

  • : to make (something, such as a room) neat and orderly

clean

noun

Definition of clean for English Language Learners

  • : an act of removing dirt from something


CLEAN Defined for Kids

1

clean

play
adjective \ˈklēn\

Definition of clean for Students

cleaner

;

cleanest

  1. 1 :  free of dirt or pollution clean air Put on a clean shirt.

  2. 2 :  not yet used Use a clean sheet of paper.

  3. 3 :  not involving or showing involvement with anything wrong or illegal good, clean fun I've got a clean record.

  4. 4 :  not offensive a clean joke

  5. 5 :  thorough 1 She made a clean break with the past.

  6. 6 :  having a simple graceful form :  trim The ship has clean lines.

  7. 7 :  1smooth 1 The knife made a clean cut.

cleanly

\ˈklēn-lē\ adverb

2

clean

play
adverb

Definition of clean for Students

  1. :  all the way :  completely The nail went clean through. Birds picked the bones clean.


3

clean

play
verb

Definition of clean for Students

cleaned

;

cleaning

  1. :  to make or become free of dirt or disorder I cleaned my room. Please clean up for supper.

cleaner

noun

Medical Dictionary

1

clean

play
adjective \ˈklēn\

Medical Definition of clean

  1. 1a:  free from dirt or pollutionb:  free from disease or infectious agents a pullorum-clean flock keep installations clean of TB infection

  2. 2:  free from smudges or anything that tends to obscure a clean set of fingerprints

  3. 3of a horse's leg :  free from curbs or bunches below the hock

  4. 4:  free from drug addiction


2

clean

transitive verb

Medical Definition of clean

  1. 1:  to brush (the teeth) with a cleanser (as a dentifrice)

  2. 2:  to perform dental prophylaxis on (the teeth)


Law Dictionary

clean

adjective

Legal Definition of clean

  1. :  free of amendments or annotations



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