• The job that's never ended--Cleaning up for inspection
    The job that's never ended--Cleaning up for inspection
  • WordNet 3.6
    • adj clean free of drugs "after a long dependency on heroin she has been clean for 4 years"
    • adj clean free from clumsiness; precisely or deftly executed "he landed a clean left on his opponent's cheek","a clean throw","the neat exactness of the surgeon's knife"
    • adj clean not carrying concealed weapons
    • adj clean free from dirt or impurities; or having clean habits "children with clean shining faces","clean white shirts","clean dishes","a spotlessly clean house","cats are clean animals"
    • adj clean (of behavior or especially language) free from objectionable elements; fit for all observers "good clean fun","a clean joke"
    • adj clean not spreading pollution or contamination; especially radioactive contamination "a clean fuel","cleaner and more efficient engines","the tactical bomb is reasonably clean"
    • adj clean ritually clean or pure
    • adj clean thorough and without qualification "a clean getaway","a clean sweep","a clean break"
    • adj clean without difficulties or problems "a clean test flight"
    • adj clean exhibiting or calling for sportsmanship or fair play "a clean fight","a sporting solution of the disagreement","sportsmanlike conduct"
    • adj clean (of a surface) not written or printed on "blank pages","fill in the blank spaces","a clean page","wide white margins"
    • adj clean (of a manuscript) having few alterations or corrections "fair copy","a clean manuscript"
    • adj clean morally pure "led a clean life"
    • adj clean (of a record) having no marks of discredit or offense "a clean voting record","a clean driver's license"
    • adj clean free from impurities "clean water","fresh air"
    • adj clean (of sound or color) free from anything that dulls or dims "efforts to obtain a clean bass in orchestral recordings","clear laughter like a waterfall","clear reds and blues","a light lilting voice like a silver bell"
    • adj clean free of restrictions or qualifications "a clean bill of health","a clear winner"
    • adj clean free from sepsis or infection "a clean (or uninfected) wound"
    • adv clean completely; used as intensifiers "clean forgot the appointment","I'm plumb (or plum) tuckered out"
    • adv clean in conformity with the rules or laws and without fraud or cheating "they played fairly"
    • v clean clean one's body or parts thereof, as by washing "clean up before you see your grandparents","clean your fingernails before dinner"
    • v clean remove unwanted substances from, such as feathers or pits "Clean the turkey"
    • v clean remove shells or husks from "clean grain before milling it"
    • v clean remove unwanted substances from
    • v clean remove while making clean "Clean the spots off the rug"
    • v clean make clean by removing dirt, filth, or unwanted substances from "Clean the stove!","The dentist cleaned my teeth"
    • v clean clean and tidy up the house "She housecleans every week"
    • v clean remove all contents or possession from, or empty completely "The boys cleaned the sandwich platters","The trees were cleaned of apples by the storm"
    • v clean deprive wholly of money in a gambling game, robbery, etc. "The other players cleaned him completely"
    • v clean be cleanable "This stove cleans easily"
    • n clean a weightlift in which the barbell is lifted to shoulder height and then jerked overhead
    • ***

Additional illustrations & photos:

The Spring-Cleaning (Indemnity) Bill The Spring-Cleaning (Indemnity) Bill
Smith Premier with cleaning brace Smith Premier with cleaning brace

Webster's Revised Unabridged Dictionary
  • Interesting fact: A giraffe is able to clean its ears with its own tongue
    • Clean Free from awkwardness; not bungling; adroit; dexterous; as, a clean trick; a clean leap over a fence.
    • Clean (Script) Free from ceremonial defilement.
    • Clean Free from dirt or filth; as, clean clothes.
    • Clean Free from errors and vulgarisms; as, a clean style.
    • Clean Free from moral defilement; sinless; pure. "Create in me a clean heart, O God.""That I am whole, and clean , and meet for Heaven"
    • Clean Free from restraint or neglect; complete; entire. "When ye reap the harvest of your land, thou shalt not make clean riddance of corners of thy field."
    • Clean Free from that which is corrupting to the morals; pure in tone; healthy. "Lothair is clean ."
    • Clean Free from that which is useless or injurious; without defects; as, clean land; clean timber.
    • v. t Clean klēn To render clean; to free from whatever is foul, offensive, or extraneous; to purify; to cleanse.
    • Clean Well-proportioned; shapely; as, clean limbs .
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: It takes about a half a gallon of water to cook macaroni, and about a gallon to clean the pot
    • clean Unmixed with foreign or extraneous matter; free from admixture; unadulterated; pure.
    • clean Free from dirt or filth; having all uncleanness removed.
    • clean Morally pure; guiltless; upright; honorable.
    • clean Among the Jews:
    • clean Of persons, free from ceremonial defilement.
    • clean Of animals and things, not causing ceremonial defilement; specifically, of animals, not forbidden by the ceremonial law for use in sacrifice and for food.
    • clean Free from defect in substance or execution; without blemish or shortcoming: as, a clean garden; clean timber; a clean proof (in printing); to make a clean copy from a draft; to make a clean job of a piece of work.
    • clean Clear; bright; keen; incisive.
    • clean Noble; excellent; notable.
    • clean Whole; entire; complete.
    • clean Well-proportioned; shapely; elegant.
    • clean Free from awkwardness; not bungling; dexterous; adroit: as, a clean boxer; a clean leap; a clean trick.
    • clean In whale-fishing, having no fish or oil aboard; having captured no whales.
    • clean Free; unencumbered.
    • clean In a clean manner.
    • clean Quite; perfectly; wholly; entirely; fully: as, the dam was carried clean away.
    • clean Without miscarriage; dexterously; neatly; cleverly.
    • clean Nobly; beautifully.
    • clean To make clean; remove all foreign or defiling matter from; purify; cleanse.
    • clean To remove by cleaning or in the process of cleaning: with off: as, to clean off filth.
    • clean To remove completely; clear out. Synonyms Clean, Cleanse. Cleanse is stronger than clean, expressing more thorough work. Clean is generally used of physical purification; cleanse, of physical or moral. Clean is more common.
    • clean In good or wholesome condition: said of fishes which have neither recently spawned nor are about to spawn and are fit for food.
    • clean Unfeathered: said of pigeons which have no feathers on the feet, in distinction from those which are muffled, or have feathered feet.
    • clean Nautical: said of a ship's form when it has acute or fine tapering lines: as, a clean entrance; a clean run.
    • clean Free from obstruction, as a coast, harbor, etc.
    • clean A whaler without oil on hoard.
    • clean A ship in good condition; a cleanly vessel.
    • clean In agriculture, to clear (land) of weeds.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The only way a cow can clean out its nose is to lick the substance out with its tongue
    • adj Clean klē′n free from dirt, stain, or whatever defiles: pure: guiltless: neat: complete
    • adv Clean quite: entirely: cleverly
    • v.t Clean to make clean, or free from dirt
    • adv Clean in a cleanly manner
    • ***


  • The Koran
    The Koran
    “God loveth the clean.”
  • Thomas J. Peters
    “If your company has a clean-desk policy, the company is nuts and you're nuts to stay there.”
  • Sheila M. Eby
    Sheila M. Eby
    “A computer won't clean up the errors in your manual of procedures.”
  • Gilbert K. Chesterton
    “I believe in getting into hot water. I think it keeps you clean.”
  • Johann Wolfgang Von Goethe
    “Let everyone sweep in front of his own door, and the whole world will be clean.”
  • Dwight L. Moody
    “God doesn't seek for golden vessels, and does not ask for silver ones, but He must have clean ones.”


Clean as a whistle - If something is as clean as a whistle, it is extremely clean, spotless. It can also be used to mean 'completely', though this meaning is less common nowadays. If somebody is clean as a whistle, they are not involved in anything illegal.
Clean bill of health - If something or someone has a clean bill of health, then there's nothing wrong; everything's fine.
Clean break - If you make a clean break, you break away completely from something.
Clean hands - Someone with clean hands, or who keeps their hands clean, is not involved in illegal or immoral activities.
Clean sheet - When someone has a clean sheet, they have got no criminal record or problems affecting their reputation. In football and other sports, a goalkeeper has a clean sheet when let no goals in.
Clean slate - If you start something with a clean slate, then nothing bad from your past is taken into account.
Clean sweep - If someone makes a clean sweep, they win absolutely everything in a competition or contest.
Clean your clock - If you clean your clock, you beat someone decisively in a contest or fight.
Come clean - If someone comes clean about something, they admit to deceit or wrongdoing.
Keep your nose clean - If someone is trying to keep their Nose Clean, they are trying to stay out of trouble by not getting involved in any sort of wrong-doing.
Make a clean breast - If someone makes a clean breast, they confess in full to something they have done.
New brush sweeps clean - 'A new brush sweeps clean' means that someone with a new perspective can make great changes. However, the full version is 'a new brush sweeps clean, but an old brush knows the corners', which warns that experience is also a valuable thing. Sometimes 'broom' is used instead of 'brush'.
Show someone a clean pair of heels - If you show someone a clean pair of heels, you run faster than them when they are chasing you.
Squeaky clean - If something is squeaky clean, it is very clean indeed- spotless. If a person is squeaky clean, they have no criminal record and are not suspected of illegal or immoral activities.


Webster's Revised Unabridged Dictionary
OE. clene, AS. clǣne,; akin to OHG. chleini, pure, neat, graceful, small, G. klein, small, and perh. to W. glan, clean, pure, bright; all perh. from a primitive, meaning bright shining. Cf. Glair


In literature:

Free from danger, as clean coast, clean harbour; in general parlance means quite, entirely.
"The Sailor's Word-Book" by William Henry Smyth
The vessel must be afterwards well rinsed out in clean water, as 'the potassa temporarily stains everything in contact a rich purplish red.
"Practical Taxidermy" by Montagu Browne
The chief part of his work, when he was not cleaning up or running errands, was the sorting of fruit and the cracking of sugar.
"A Poor Man's House" by Stephen Sydney Reynolds
Hoes, rakes, and claw-hand weeders should be used in cleaning up and cultivating the plots.
"Ontario Teachers' Manuals: Nature Study" by Ontario Ministry of Education
Clean pith and fair play.
"The Proverbs of Scotland" by Alexander Hislop
After you made de las' pass wid de gallopin' ivory you sho' lef me clean.
"Lady Luck" by Hugh Wiley
I look, I see the sky is clean as a scraped skin.
"The Huntress" by Hulbert Footner
I believe he's a clean, straight little fellow, and he can more than make up for his board by cooking and doing odd jobs.
"Jim Spurling, Fisherman" by Albert Walter Tolman
The cartridges are then picked up, cleaned, and returned to the belt and the piece is brought to the order.
"Manual of Military Training" by James A. Moss
The hen house should be cleaned as often as the barn.
"One Thousand Secrets of Wise and Rich Men Revealed" by C. A. Bogardus

In poetry:

I worked for a woman,
She wasn't mean—
But she had a twelve-room
House to clean.
"Madam And Her Madam" by Langston Hughes
Crutch awa he flang it,
Clean forgot his hairms,
Cudna stan' withoot it,
Fell in Mally's airms.
"Ower The Hedge" by George MacDonald
"From vile idolatry
Preserve my worship clean;
I am the Lord, who set thee free
From slavery and sin.
"Psalm 81" by Isaac Watts
How gladly do I think and say,
When thus it is with me,
Sin to my sense is clean away,
And so shall ever be?
"The Believer's Principles : Chap. IV." by Ralph Erskine
Thy word I've hid within my heart
To keep my conscience clean,
And be an everlasting guard
From every rising sin.
"Psalm 119 part 13" by Isaac Watts
It is his blood that makes the house
Still warm, safe, bright,
Honest as aim and eye and hand,
As clean, as light.
"Home For Love" by John Freeman

In news:

Warren said that she owns a cleaning business and sometimes enters homes, cleans them and leaves a bill.
A US woman dubbed the " cleaning fairy" after she broke into a home, cleaned it and left a 75 dollar (£47) bill has been put on probation for one year.
US robotics company iRobot Corp. Has added a new vacuum cleaning robot to its stable of cleaning devices: the Roomba 600 Series.
Cintas Corporation recently introduced ChemTron Coil Cleaning, its first air conditioning coil cleaning service for the hospitality industry.
But being able to clean these items well is a big incentive for customers to bring in everything they need cleaned.
According to the 2010 Procter & Gamble (P&G) Professional "Cleaning in a Down Economy" survey, 65 percent of respondents said the restroom is the most important room to clean and 39 percent said it is the most difficult room to clean.
If your automatic dishwasher isn't getting your plates, pots and pans sparkling clean anymore, try this trick before replacing it: Clean the filter inside the machine.
Jobs in the tourism, fishing and marine sectors would be jeopardized if clean water and clean air are not maintained.
Chris Mentzel, CEO of Clean Energy Maui LLC, consults with county and state governments in Hawai'i to secure a quick transition to a clean energy future.
As a result, the Environmental Protection Agency was created, the Clean Air, Clean Water, and Endangered Species Acts were passed, and the modern environmental movement was born.
There are wands for carpet cleaning and hard surface cleaning already offered by Esteam.
CLEVELAND (AP) — An Ohio woman dubbed the "cleaning fairy " after she broke into a home, cleaned it and left a $75 bill has been put on probation for one year.
CLEVELAND—An Ohio woman dubbed the "cleaning fairy " after she broke into a home, cleaned it and left a $75 bill has been put on probation for one year.
CLEVELAND — An Ohio woman dubbed the "cleaning fairy " after she broke into a home, cleaned it and left a $75 bill has been put on probation for one year.
GE, Clean Energy Fuels Partner to Expand 'Natural Gas Highway' GE and Clean Energy Fuels announced a collaboration to expand the infrastructure for natural gas transportation in the United States.

In science:

In disordered system and at T = 0 K, the mean field approach to slave bosons can be formulated by suitably generalizing the clean limit.
Interplay of Disorder and Correlations
The spectrum ε~k of a clean but interacting system in the U = ∞ limit is replaced by ξ 2 ε~k − λ(2) .
Interplay of Disorder and Correlations
The dirty maps were cleaned down to half the rms noise level with channel dependent search areas using the standard H ögbom algorithm.
Star Formation and Tidal Encounters with the Low Surface Brightness Galaxy UGC 12695 and Companions
We can see how clr leaves the spectrum clean of the interference and keeps the intrinsic detector noise.
Removing Line Interference from Gravitational Wave Interferometer Data
If the support of fp,p is a connected set, then we say that p is a clean sextactic point.
Sextactic points on a simple closed curve