Synonym: cleanse, purify, tidy, wash. Antonym: dirty, unclean. Similar words: uncleanliness, lean, lean on, clear, leaned, unclear, clearly, clear up. Meaning: [kliːn] 
n. a weightlift in which the barbell is lifted to shoulder height and then jerked overhead. v. 1. make clean by removing dirt, filth, or unwanted substances from 2. remove unwanted substances from, such as feathers or pits 3. clean and tidy up the house 4. clean one's body or parts thereof, as by washing 5. be cleanable 6. deprive wholly of money in a gambling game, robbery, etc. 7. remove all contents or possession from, or empty completely 8. remove while making clean 9. remove unwanted substances from 10. remove shells or husks from. adj. 1. free from dirt or impurities; or having clean habits 2. free of restrictions or qualifications 3. (of sound or color) free from anything that dulls or dims 4. free from impurities 5. without difficulties or problems 6. ritually clean or pure 7. not spreading pollution or contamination; especially radioactive contamination 8. (of behavior or especially language) free from objectionable elements; fit for all observers 9. free from sepsis or infection 10. morally pure 11. (of a manuscript) having few alterations or corrections 12. (of a surface) not written or printed on 13. exhibiting or calling for sportsmanship or fair play 14. thorough and without qualification 15. (of a record) having no marks of discredit or offense 16. not carrying concealed weapons 17. free from clumsiness; precisely or deftly executed 18. free of drugs. adv. 1. completely; used as intensifiers 2. in conformity with the rules or laws and without fraud or cheating.
n. a weightlift in which the barbell is lifted to shoulder height and then jerked overhead. v. 1. make clean by removing dirt, filth, or unwanted substances from 2. remove unwanted substances from, such as feathers or pits 3. clean and tidy up the house 4. clean one's body or parts thereof, as by washing 5. be cleanable 6. deprive wholly of money in a gambling game, robbery, etc. 7. remove all contents or possession from, or empty completely 8. remove while making clean 9. remove unwanted substances from 10. remove shells or husks from. adj. 1. free from dirt or impurities; or having clean habits 2. free of restrictions or qualifications 3. (of sound or color) free from anything that dulls or dims 4. free from impurities 5. without difficulties or problems 6. ritually clean or pure 7. not spreading pollution or contamination; especially radioactive contamination 8. (of behavior or especially language) free from objectionable elements; fit for all observers 9. free from sepsis or infection 10. morally pure 11. (of a manuscript) having few alterations or corrections 12. (of a surface) not written or printed on 13. exhibiting or calling for sportsmanship or fair play 14. thorough and without qualification 15. (of a record) having no marks of discredit or offense 16. not carrying concealed weapons 17. free from clumsiness; precisely or deftly executed 18. free of drugs. adv. 1. completely; used as intensifiers 2. in conformity with the rules or laws and without fraud or cheating. 
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61 Make sure your hands are clean before you have your dinner.
62 After you've washed your shirt, you have to rinse it twice with clean warm water.
63 There is a layer of dust on the dressing-table. Clean it before the guest arrives.
64 Clean up your room.
65 The party needs to clean up its somewhat tarnished image.
66 It's not too much to ask of you to clean your own shoes.
67 The sitting-room is clean.
68 I use an oily rag to clean my bike with.
69 You'd better wrap a clean cloth around your arm till the wound closes.
70 Doctors working in an operating theatre have to mask their noses and mouths with a specially clean cloth.
71 She tried to brownnose the boss by staying after work and helping him clean the room.
72 We clean and repair the machines as a matter of routine.
73 Clean up this room immediately - and that's an order!
74 Mr. Wall asked if I would help him clean out the bins.
75 Clean water is a precious commodity in many parts of the world.
76 His clothes, though old and worn(sentencedict.com), looked clean and of good quality.
77 He made a half-arsed attempt to clean up after the party.
78 He wiped his plate clean with a piece of bread.
79 I can put up with the house being untidy, but I hate it if it's not clean.
80 Clean the surface first, or the paint will not adhere.
81 What you wear should be stylish and clean,(http://sentencedict.com/clean.html) and must definitely fit well.
82 We want a clean healthy environment for all humanity .
83 I feel like a real drudge — I've done nothing but clean all day!
84 The mayor outlined his plan to clean up the town's image.
85 During his twelve years in Congress he has tussled with the chemical, drug and power companies on behalf of the ordinary person's right to breathe clean air.
86 Their ostensible goal was to clean up government corruption, but their real aim was to unseat the government.
87 This glass has been used - please fetch me a clean one.
88 There's fluff and dust under the furniture. Please clean it properly.
89 I'm terribly sorry?I clean forgot to give your brother the message.
90 He's been given a clean bill of health by the doctor.