waste
verb
1 he doesn't like to waste money on bus fares:
squander, fritter away, misspend, misuse, spend recklessly, throw away, lavish, be wasteful with, dissipate, spend like water, throw around like confetti;
go through, run through, exhaust, drain, deplete, burn up, use up, consume;
informal blow, splurge.
▷antonyms conserve.
2 junkies wasting away in the streets:
grow weak, wither, atrophy, become emaciated, shrivel up, shrink, decay;
decline, wilt, fade, flag, deteriorate, degenerate, rot, moulder, languish, be abandoned, be neglected, be forgotten, be disregarded.
▷antonyms flourish, thrive.
3 the disease had wasted his legs:
emaciate, atrophy, wither, debilitate, shrivel, shrink, weaken, enfeeble, sap the strength of.
4 North American, informal I saw them waste the guy I worked for:
murder, kill, do away with, assassinate, liquidate, do to death, eliminate, terminate, dispatch, finish off, put to death, execute;
slaughter, butcher, massacre, wipe out, destroy, annihilate, eradicate, exterminate, extirpate, decimate, mow down, shoot down, cut down, cut to pieces;
informal bump off, polish off, do in, knock off, top, take out, croak, stiff;
North American, informal ice, off, rub out, whack, smoke;
literary slay.
adjective
noun
1 what a waste of money:
squandering, dissipation, frittering away, misspending, misuse, misapplication, misemployment, abuse;
prodigality, extravagance, wastefulness, lavishness, unthriftiness.
2 household waste:
refuse, litter, debris, dross, junk, detritus, scrap;
dregs, leavings, remains, scraps, offscourings;
sewage, effluent, effluvium;
British rubbish;
North American garbage, trash.
waste Oxford Dictionary of English