whack

1 an effort to do or accomplish something took a whack at solving the math problem Synonyms of whack assay [archaic], bash [chiefly British], bid, crack, endeavor, essay, fling, go, offer, pass, shot, stab, trial, try, attempt, whirlWords Related to whack striving, struggle, throes, undertaking; trial and error

2 a hard strike with a part of the body or an instrument gave the wasp's nest a good whack with the bat Synonyms of whack bang, bash, bat, beat, belt, biff, bop, box, buffet, bust, chop, clap, clip, clout, crack, cuff, dab, douse [British], fillip, hack, haymaker, hit, hook, knock, larrup [dialect], lash, lick, pelt, pick, plump, poke, pound, punch, rap, slam, slap, slug, smack, smash, sock, spank, stinger, stripe, stroke, swat, swipe, switch, thud, thump, thwack, wallop, welt, blow, wham, whop (also whap)Words Related to whack counter, counterblow, counterpunch, counterstroke; body blow, hand, kick, knee, left, one-two, rabbit punch, right, right-hander, roundhouse, shiver, sidewinder, sucker punch, swing, uppercut; cruncher, kayo, knockdown, knockout, KO; bastinado (or bastinade), battering, beating, bludgeoning, clobbering, cudgeling (or cudgelling), drubbing, hammering, lambasting, licking, pasting, pounding, pummeling (also pummelling), thrashing; flogging, walloping, whip, whipping

3 a loud explosive sound the whack echoed around the field Synonyms of whack bang, blast, boom, crack, crash, pop, report, slam, smash, snap, thunderclap, thwack, clap, whomp, whumpWords Related to whack thunk, wham; clang, clangor, clank, clash; knock, rap, tap; blare, clamor, howl, hubbub, hue and cry, hullabaloo, outcry, roar, tumult, uproar

1 to deliver a blow to (someone or something) usually in a strong vigorous manner whacked the vending machine to get the candy bar to fall Synonyms of whack bang, bash, bat, belt, biff, bludgeon, bob, bonk, bop, box, bust, clap, clip, clobber, clock, clout, crack, hammer, knock, nail, paste, pound, punch, rap, slam, slap, slog, slug, smack, smite, sock, strike, swat, swipe, tag, thump, thwack, wallop, hit, whale, zapWords Related to whack batter, beat, buffet, bung, chop, cuff, drub, lace, lambaste (or lambast), lick, mangle, maul, pelt, pepper, pommel, pummel, rough; scuff; bunt, flick, stroke, tap; bump, butt, jab, jostle, kick, knee, poke, prod, push, shove, stamp; bowl (down or over), cream, deck, dump [slang], fell, floor, knock down, level; rabbit-punch, sucker punch; cane, club, cudgel, flail, flog, lash, sap, slash, sledge, sledgehammer, spear, stab, switch, thrash, whip; bean, brain, conk, skull

2 slang  to put to death deliberately without a second thought the mob boss had them whacked Synonyms of whack assassinate, bump off, croak [slang], dispatch, do in, execute, get, ice [slang], knock off, liquidate, neutralize, off [slang], put away, rub out, slay, snuff, take out, terminate, murder [slang]Words Related to whack blow away, shoot, shoot down; blot out, carry off, claim, cut down, destroy, fell, kill, smite, zap; butcher, massacre, mow (down), slaughter; annihilate, eliminate, eradicate, exterminate, wipe outNear Antonyms of whack animate, raise, restore, resurrect, resuscitate, revive