Tra từ clean - Từ điển Oxford Advanced Learner 8th

clean [clean cleans cleaned cleaning cleaner cleanest] adjective, verb, adverb, noun BrE [kliːn] NAmE [kliːn]
adjective (clean·er, clean·est)

NOT DIRTY
1. not dirty
• Are your hands clean?
•to wipe sth clean
• The hotel was spotlessly (= extremely) clean.
• (BrE)It is your responsibility to keep the room clean and tidy.
• (NAmE)Keep your room neat and clean.
•I can't find a clean shirt (= one I haven't worn since it was washed).
2. having a clean appearance and clean surroundings
• Cats are very clean animals.

NOT HARMFUL
3. free from harmful or unpleasant substances
•clean drinking water
•clean air
• We all want a cleaner environment but who is going to pay for it?
•cleaner cars (= not producing so many harmful substances)
• Electric buses are a clean, environmentally friendly way to travel.

PAPER
4. usually before noun with nothing written on it
•a clean sheet of paper

NOT OFFENSIVE
5. not offensive or referring to sex; not doing anything that is considered immoral or bad
• The entertainment was good clean fun for the whole family.
• Keep the jokes clean please!
•The sport has a very clean image.

NOT ILLEGAL
6. not showing or having any record of doing sth that is against the law
•a clean driving licence/driver's license
•a clean police record
7. (informal)not owning or carrying anything illegal such as drugs or weapons
•The police searched her but she was clean.

FAIR
8. played or done in a fair way and within the rules
•It was a tough but clean game.

SMOOTH/SIMPLE
9. having a smooth edge, surface or shape; simple and regular
•A sharp knife makes a clean cut.
•a modern design with clean lines and a bright appearance

ACCURATE
10. done in a skilful and accurate way
•The plane made a clean take-off.

TASTE/SMELL
11. tasting, smelling or looking pleasant and fresh
•The wine has a clean taste and a lovely golden colour.
compare ↑unclean
more at keep your nose clean at ↑nose _n., wipe the slate clean at ↑wipe _v.

Word Origin:
Old English clǣne, of West Germanic origin; related to Dutch and German klein ‘small’.

Thesaurus:
clean adj.
•Are your hands clean?
pure • • sterile • • hygienic • • spotless •
Opp: dirty
clean/pure/sterile (drinking) water
clean/sterile/hygienic conditions
keep sth clean/pure/sterile/spotless

Example Bank:
•I scrubbed the floor to get it clean.
•Is your room clean and tidy now?
•It's almost clean. I just have to wipe the table.
•Please leave the kitchen clean.
•She wiped all the surfaces clean.
•The bathroom doesn't stay clean for long.
•The room smelled clean and fresh.
•The water was lovely and clean.
•The whole house was spotlessly clean.
•You're supposed to keep your room clean.
•Fiscal incentives will be introduced to encourage the use of cleaner cars.
•He wiped his plate clean with a piece of bread.
•I can't find a clean shirt.
•It is your responsibility to keep the room clean and tidy.
•Keep your room neat and clean.
•Thousands were left without food or clean drinking water.
Idioms: ↑as clean as a whistle ▪ ↑clean bill of health ▪ ↑clean break ▪ ↑clean house ▪ ↑clean sheet ▪ ↑clean up your act ▪ ↑come clean ▪ ↑make a clean breast of something ▪ ↑make a clean sweep
Derived: ↑clean somebody out ▪ ↑clean something down ▪ ↑clean something off ▪ ↑clean something off something ▪ ↑clean something out ▪ ↑clean something up ▪ ↑clean up

verb
1. transitive, intransitive ~ (sth) to make sth free from dirt or dust by washing or rubbing it
•to clean the windows/bath/floor
•to clean a wound
• Have you cleaned your teeth?
• The villa is cleaned twice a week.
•I spent all day cooking and cleaning.
see also ↑dry-clean, ↑spring-clean
2. intransitive to become clean
•This oven cleans easily (= is easy to clean).
3. transitive ~ sth = ↑dry-clean
•This coat is filthy. I'll have it cleaned.
4. transitive ~ sth to remove the inside parts of a fish, chicken, etc. before you cook it
•Clean the fish and remove the backbone.
Verb forms:

Word Origin:
Old English clǣne, of West Germanic origin; related to Dutch and German klein ‘small’.

Thesaurus:
clean verb T, I
•I spent all day cooking and cleaning.
wash • • dust • • wipe • • mop • • sponge • • scrub • • brush • • sweep • • cleanse • • bathe • • rinse • • hose • • dry-clean • • shampoo •
Opp: dirty, Opp: soil
clean/wash/mop/scrub/sweep the floor
clean/wash/dust/wipe/scrub the table/surfaces
clean/wash/cleanse/bathe a wound

Synonyms:
clean
wash • rinse • cleanse • dry-clean
These words all mean to remove dirt from sth, especially by using water and/or soap.
clean • to remove dirt or dust from sth, especially by using water or chemicals: ▪ The villa is cleaned twice a week. ◇ ▪ Have you cleaned your teeth? ◇ ▪ This coat is filthy. I'll have it cleaned ▪ (= dry-cleaned).
wash • to remove dirt from sth using water and usually soap: ▪ He quickly washed his hands and face. ◇ ▪ These jeans need washing.
rinse • to remove dirt, etc. from sth using clean water only, not soap; to remove the soap from sth with clean water after washing it: ▪ Make sure you rinse all the soap out.
cleanse • to clean your skin or a wound.
dry-clean • to clean clothes using chemicals instead of water.
to clean/wash/rinse/cleanse sth in/with sth
to clean/wash/rinse sth from sth
to clean/wash/cleanse a wound
to clean/wash the car/floor
to wash/rinse your hair
to have sth cleaned/washed/dry-cleaned

Example Bank:
•Ceramic tiles can be easily cleaned.
•Clean the glass with a soft cloth.
•He gently cleaned the wound and dressed it.
•I clean the house thoroughly once a week.
•I cleaned out all the cupboards.
•I cleaned the mud off the kitchen floor.
•She wiped her foot to clean away the blood.
•The freshly cleaned windows sparkled.
•This product cleans baths very effectively.
•Your shoes need cleaning!
•Have you cleaned your teeth?
•This coat is filthy. I'll have it cleaned
•This oven cleans easily.

adverb (informal)used to emphasize that an action takes place completely
• The thief got clean away.
• I clean forgot about calling him.

Word Origin:
Old English clǣne, of West Germanic origin; related to Dutch and German klein ‘small’.

noun singular
the act or process of cleaning sth
• The house needed a good clean.

Word Origin:
Old English clǣne, of West Germanic origin; related to Dutch and German klein ‘small’.

Example Bank:
•My house needs a good clean.
•Why don't you give the carpet a clean?