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throw 
  vb 
1 cast, chuck  (informal) fling, heave, hurl, launch, lob  (informal) pitch, project, propel, put, send, shy, sling, toss 
2  (informal) astonish, baffle, confound, confuse, disconcert, dumbfound, faze, put one off one's stroke, throw off, throw one off one's stride, throw out 
3 bring down, dislodge, fell, floor, hurl to the ground, overturn, unseat, upset 
  n 
4 cast, fling, heave, lob  (informal) pitch, projection, put, shy, sling, toss 
5  (informal) attempt, chance, essay, gamble, hazard, try, venture, wager 


throw away 
1 axe  (informal) bin  (informal) cast off, chuck  (informal) discard, dispense with, dispose of, ditch  (slang) dump  (informal) get rid of, jettison, junk  (informal) reject, scrap, throw out 
2 blow  (slang) fail to exploit, fritter away, lose, make poor use of, squander, waste 
 
Antonyms  
 
1 conserve, keep, preserve, rescue, retain, retrieve, salvage, save 
throw off 
1 abandon, cast off, discard, drop, free oneself of, rid oneself of, shake off 
2 elude, escape from, evade, get away from, give (someone) the slip, leave behind, lose, outdistance, outrun, shake off, show a clean pair of heels to 
3 confuse, disconcert, disturb, faze, put one off one's stroke, throw  (informal) throw one off one's stride, unsettle, upset 
throw out 
1 bin  (informal) cast off, chuck  (informal) discard, dismiss, dispense with, ditch  (slang) dump  (informal) eject, evict, expel, get rid of, give the bum's rush  (slang) jettison, junk  (informal) kick out  (informal) kiss off  (slang, chiefly U.S. & Canad.) oust, reject, relegate, scrap, show one the door, throw away, turf out  (Brit. informal) turn down 
2 confuse, disconcert, disturb, put one off one's stroke, throw  (informal) throw one off one's stride, unsettle, upset 
3 diffuse, disseminate, emit, give off, put forth, radiate 
throw over  
abandon, break with, chuck  (informal) desert, discard, drop  (informal) finish with, forsake, jilt, leave, quit, split up with, walk out on  (informal) 
throw up 
1 abandon, chuck  (informal) give up, jack in, leave, quit, relinquish, renounce, resign from, step down from  (informal) 
2 bring forward, bring to light, bring to notice, bring to the surface, produce, reveal 
3  (informal) barf  (U.S. slang) be sick, bring up, chuck (up)  (slang, chiefly U.S.) chunder  (slang, chiefly Austral.) disgorge, do a technicolour yawn  (slang) heave, puke  (slang) regurgitate, retch, spew, toss one's cookies  (U.S. slang) upchuck  (U.S. slang) vomit 
4 jerry-build, run up, slap together, throw together 

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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"