annihilate

1 to destroy all traces of the family's attempts to annihilate the roach population in their apartment had met with little success Synonyms abolish, black out, blot out, cancel, clean (up), efface, eradicate, erase, expunge, exterminate, extirpate, liquidate, obliterate, root (out), rub out, snuff (out), stamp (out), sweep (away), wipe out Related Words decimate, demolish, destroy, devastate, ravage; dismantle, flatten, mow (down), raze, tear down; ruin, total, waste, wreck; blast, blow up, dash, dynamite, smash; atomize, consume, devour, dissolve, fragment, powder, pulverize, shatter, splinter; doom, finish, kill, kill off, terminate, zap; cancel, cut, discard, ditch, eject, excise, expel, jettison, oust, throw out Near Antonyms conserve, preserve, protect, save; build, construct, create, fabricate, fashion, forge, form, frame, make, manufacture, shape; fix, mend, patch, rebuild, recondition, reconstruct, renew, renovate, repair, restore, revamp

2 to bring to a complete end the physical soundness, existence, or usefulness of the tornado simply annihilated the family's home Synonyms destroy, cream, decimate, demolish, desolate, devastate, do in, extinguish, nuke, pull down, pulverize, raze, rub out, ruin, shatter, smash, tear down, total, vaporize, waste, wrack, wreckRelated Words beat, best, clobber, conquer, crush, defeat, drub, lick, master, overbear, overcome, overmatch, prevail (over), rout, scotch, skunk, subdue, surmount, thrash, trim, triumph (over), trounce, wallop, whip, win (against); blast, blow up, break, cripple, damage, deface, deteriorate, disfigure, disintegrate, dissolve, dynamite, harm, impair, injure, mangle, mar, mutilate, spoil, vitiate; erode, scour, sweep (away), wash out, wear (away); dilapidate, disassemble, dismantle, gut, take down, unbuild, undo, unmake; blot out, efface, eradicate, expunge, exterminate, extirpate, liquidate, obliterate, remove, root (out), snuff (out), stamp (out), wipe out; despoil, havoc, loot, pillage, plunder, ravage, sack, trample, trash, vandalize; assassinate, butcher, cut down, dispatch, execute, fell, kill, kill off, massacre, mow (down), murder, slaughter, slay, take out, zapNear Antonyms doctor, fix, mend, patch, recondition, repair, revamp; create, invent; assemble, fabricate, fashion, forge, form, frame, make, manufacture, mold, produce, shape; bring about, constitute, establish, father, found, institute, organize; conserve, preserve, protect, save; rebuild, reconstruct, remodel, renovate, restoreAntonyms build, construct, erect, put up, raise, rear, set up

3 to defeat by a large margin we didn't just win; we absolutely annihilated them! Synonyms whip, blow away, bomb, bury, clobber, cream, drub, dust, flatten, paste, rout, shellac, skin, skunk, smoke [slang], smother, snow under, thrash, trim, tromp, trounce, wallop, wax [slang], whomp, whop (or whap), whupRelated Words sweep, upset; beat, best, conquer, dispatch, hurdle, lick, master, overbear, overcome, overmatch, prevail (over), subdue, surmount, take, throw, triumph (over), win (against), worst; crush, knock off, knock over, overpower, overthrow, overwhelm, subjugate, upend, vanquish; ace (out), better, eclipse, exceed, outdistance, outdo, outfight, outshine, outstrip, overtop, surpass, top, transcend; edge (out), nose out, pip [British]; cap, excel, flourish, score, succeed; break, destroy, do in, finish, sink, slaughter