A woman washing her hands so they will be clean.
- The definition of clean is not dirty, or sober, or off of drugs, or morally pure.
- An example of clean is a room that has just been vacuumed and dusted.
- An example of clean os someone who is in Alcoholics Anonymous and who has been sober for four months.
- An example of clean is a joke that has no sexual connotations or adult material.
- To clean is to take action to make something not dirty.
An example of clean is to vacuum or dust.
- free from dirt, contamination, impurities, pollutants, etc.; unsoiled; unstained
- free from disease, infection, radioactivity, etc.
- producing little immediate fallout: said of nuclear weapons
- producing few or no pollutants; non-polluting: clean energy
- recently laundered; fresh and unused
- morally pure; sinless
- not obscene or indecent: a clean joke
- fair; sportsmanlike: a rough but clean contest
- keeping oneself or one's surroundings clean; neat and tidy
- shapely; well-formed: a clean profile
- elegantly trim, straight, smooth, etc.; not ornate: clean architectural lines
- skillful; deft: a clean stroke
- having no obstructions, flaws, or roughnesses; clear; regular: a clean drain
- entire; complete; thorough: a clean sweep
- having few corrections; legible: clean copy for the printer
- with nothing in it or on it: clean pockets, a clean sheet of paper
- having no blemishes, offenses, demerits, etc.: a student's clean academic record
- not carrying a weapon, illegal drugs, etc.
- innocent of an alleged crime
- free from the use or presence of, or from addiction to, narcotics or other illicit drugs
- free from ceremonial defilement
- fit for food: said of certain animals
Origin of cleanMiddle English clene from Old English clæne, clean, pure from Indo-European an unverified form ?(e)l?i- from base an unverified form ?el-, to gleam from source Old Irish gel, gleaming, white, Old High German kleini, gleaming, bright, fine (from source German klein, small)
- in a clean manner
- Informal completely; wholly: clean forgotten
Origin of cleanOE clæne
- to make clean
- to remove (dirt, impurities, etc.) in making clean
- to empty or clear
- to prepare (fish, fowl, etc.) for cooking
- Slang to take away or use up the money or possessions of: often with out
- Weight Lifting to lift (a barbell) from the floor to the shoulders in one continuous movement
- to be made clean
- to perform the act of cleaning
- to empty so as to make clean
- to empty
- to make clean, neat, or orderly
- to make oneself clean and neat; get washed, combed, etc.
- Informal to dispose of completely; finish
- Slang to make much money or profit
clean up on
- Free from dirt, stain, or impurities; unsoiled: a clean kitchen floor; clean clothes.
- a. Free from foreign matter or pollution; unadulterated: clean air; clean drinking water.b. Not infected: a clean wound.
- a. Producing relatively little pollution: a clean fuel; a cleaner, more efficient engine.b. Producing relatively little radioactive fallout or contamination: a clean nuclear bomb.
- Having no imperfections or blemishes; regular or even: a clean edge; a smooth, clean joint.
- a. Not ornate or intricate; spare: “the clean lines and exquisite proportions of early modernism” ( Judith Thurman )b. Sharply defined; clear-cut: a clean outline against the sky.
- Free from clumsiness; deft; adroit: a clean throw.
- Devoid of restrictions or encumbrances: a clean bill of health.
- Thorough; complete: a clean getaway.
- Having few alterations or corrections; legible: clean manuscript.
- Blank: a clean page.
- a. Morally pure; virtuous: led a clean life.b. Having no marks of discredit or offense: a clean voting record.
- Fit for all readers, listeners, or audiences; not ribald or obscene: a clean joke.
- Honest or fair: a clean fighter; a clean competition.
- Slang a. Not carrying concealed weapons or drugs.b. Innocent of a suspected crime.
- Informal a. Free from narcotics addiction.b. Showing no evidence of using banned or performance-enhancing substances: proven to be clean before the race.
- So as to be unsoiled: wash the dishes clean.
- In a fair manner: played the game clean.
- In a clean or nonpolluting manner: a fuel that burns clean.
- Informal Entirely; wholly: clean forgot the appointment.
verbcleaned, clean·ing, cleans
- To rid of dirt, rubbish, or impurities: clean a room; clean a suit.
- To get rid of (impurities or dirt, for example); remove: cleaned up the trash; cleaned off the stains.
- To prepare (fowl or other food) for cooking, as by removing the entrails or fat.
- To remove the contents from; empty: cleaned my plate.
- Sports To lift (a barbell) from the floor to the shoulders in one motion.
Origin of cleanMiddle English clene from Old English clǣne
(comparative cleaner, superlative cleanest)
- Not dirty.
- Are these dishes clean?
- Your room is finally clean!
- In an unmarked condition.
- Put a clean sheet of paper into the printer.
- Pure, especially morally or religiously.
- Our kids can watch this movie because it is clean.
- Not having used drugs or alcohol.
- I've been clean this time for eight months.
- Smooth, exact, and performed well.
- I’ll need a sharper knife to make clean cuts.
- a clean leap over a fence
- (of criminal, driving, etc records) without restrictions or penalties, or someone having such a record.
- Unlike you, I’ve never caused any accidents — my record is still clean!
- (informal) Cool or neat.
- Damn, Shorty, those are some clean shoes ya got there!
- (aerodynamics) Allowing an uninterrupted flow over surfaces, without protrusions such as racks or landing gear.
- (health) Being free of sexually transmitted diseases (STDs).
- I want to make sure my fiancé is clean before we are married.
- (informal) Not in possession of weapons or contraband such as drugs.
- I’m clean, officer. You can go ahead and search me if you want.
- The cargo hold is clean.
- Mister, I want to see a clean dinner plate or there'll be no dessert for you.
- (of metal) Having relatively few impurities.
- clean steel
- which doesn’t damage the environment
- Clean energy.
- Clean coal.
- Free from that which is useless or injurious; without defects.
- clean land; clean timber
- Free from restraint or neglect; complete; entire.
- Well-proportioned; shapely.
- clean limbs
- Removal of dirt.
- This place needs a clean.
- (weightlifting) The first part of the event clean and jerk in which the weight is brought from the ground to the shoulders.
(third-person singular simple present cleans, present participle cleaning, simple past and past participle cleaned)
- To remove dirt from a place or object.
- Can you clean the windows today?
- To tidy up, make a place neat.
- Clean your room right now!
- (climbing) To remove equipment from a climbing route after it was previously lead climbed.
- (intransitive) To make things clean in general.
- She just likes to clean. That’s why I married her.
- (intransitive, curling) To brush the ice lightly in front of a moving rock to remove any debris and ensure a correct line; less vigorous than a sweep.
(comparative cleaner, superlative cleanest)
From Middle English clene, clane, from Old English clǣne (“clean, pure, chaste, innocent, unencumbered, unfettered, hallowed, clear, open, honorable, true, acute, sagacious, intellectual”), from Proto-Germanic *klainiz (“shining, fine, splendid, tender”), from Proto-Indo-European *g(e)lēi- (“gleaming”), from Proto-Indo-European *gel- (“to gleam”). Cognate with Scots clean (“absolute, pure, clear, empty”) and clene, clane (“clean”), North Frisian klien (“small”), Dutch klein (“small”), Low German kleen (“small”), German klein (“small”), Swedish klen (“weak, feeble, delicate”), Icelandic klénn (“poor, feeble, petty, snug, puny, cheesy, lame”). Displaced Old English sȳfre (“clean, sober”), hlūtor (“pure, clear, clean, bright”).