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12 ADJ [usu ADJ n] You can describe an action as clean to indicate that it is carried out simply and quickly without mistakes. □  They were more concerned about the dogs' welfare than a clean getaway. ●  clean|ly ADV [ADV after v, ADV -ed] □  I struck the ball cleanly and my shot was on target.

13 PHRASE If you come clean about something that you have been keeping secret, you admit it or tell people about it. [INFORMAL ] □ [+ about ] It would be better if you come clean about it and let her know what kind of man she is seeing. [Also + on ]

14to clean up your act → see act

15to keep your nose clean → see nose

16a clean slate → see slate

17to wipe the slate clean → see slate

18a clean sweep → see sweep

19clean as a whistle → see whistle

▸  clean out

1 PHRASAL VERB If you clean out something such as a cupboard, room, or container, you take everything out of it and clean the inside of it thoroughly. □ [V P n] Mr. Wall asked if I would help him clean out the bins. □ [V n P ] If you are using the same pan, clean it out.

2 PHRASAL VERB If someone cleans you out , they take all the money and valuables you have. If they clean out a place, they take everything of value that is in it. [INFORMAL ] □ [V n P ] They cleaned me out. I need to go to a cashpoint. □ [V P n] When they first captured the port, they virtually cleaned out its warehouses.

▸  clean up

1 PHRASAL VERB If you clean up a mess or clean up a place where there is a mess, you make things tidy and free of dirt again. □ [V P n] Police in the city have been cleaning up the debris left by a day of violent confrontation. □ [V P ] Nina and Mary were in the kitchen, cleaning up after dinner. [Also V n P ]

2 PHRASAL VERB To clean up something such as the environment or an industrial process means to make it free from substances or processes that cause pollution. □ [V P n] Under pressure from the public, many regional governments cleaned up their beaches. [Also V n P ]

3 PHRASAL VERB If the police or authorities clean up a place or area of activity, they make it free from crime, corruption, and other unacceptable forms of behaviour. □ [V pron-refl P ] After years of neglect and decline the city was cleaning itself up. □ [V P n] Since then, the authorities have tried to clean up the sport.

4 PHRASAL VERB If you go and clean up , you make yourself clean and tidy, especially after doing something that has made you dirty. □ [get V -ed P ] Johnny, go inside and get cleaned up. □ [V n P ] I cleaned myself up a bit, and got the baby ready.

5 PHRASAL VERB If someone cleans up , they make a large profit or get a lot of money. [INFORMAL ] □ [V P ] It has cleaned up at the box office.

▸  clean up after PHRASAL VERB If you clean up after someone, you clean or tidy a place that they have made dirty or untidy. □ [V P P n] You can use the kitchen, but please clean up after yourself. SYNONYMS clean ADJ 1

spotless:Each morning cleaners make sure everything is spotless.

immaculate:Her front room was kept immaculate.

pristine:Now the house is in pristine condition.

clea n-cu t ADJ Someone, especially a boy or man, who is clean-cut has a neat, tidy appearance. □  …his clean-cut good looks.

clea n ea t|ing N‑UNCOUNT Clean eating is the practice of eating only certain foods that are thought to be healthy and natural. □  This craze for clean eating was responsible for a 30% growth in demand for avocados last year.