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1. A sound defeat
   - thrashing, walloping, debacle, drubbing, slaughter, whipping, débâcle
    
2. The act of inflicting corporal punishment with repeated blows
   - beating, thrashing, licking, drubbing, lacing, whacking

1. Beat severely with a whip or rod
   "The children were severely trounced"
   - flog, welt, whip, lather, lash, slash, strap
    
2. Come out better in a competition, race, or conflict
   - beat, beat out, crush, shell, vanquish
    
3. Censure severely or angrily
   "The deputy trounced the Prime Minister"
   - call on the carpet [US], take to task, rebuke, rag, reproof, lecture, reprimand, jaw, dress down, call down, scold, chide, berate, bawl out, remonstrate, chew out [N. Amer], chew up [N. Amer], have words, lambaste, lambast, ream [N. Amer]
    
4. Beat thoroughly and conclusively in a competition or fight
   "We trounced the other team on Sunday!"
   - cream, bat, clobber, drub, thrash, lick, slaughter, beat hollow, muller [Brit], smoke [N. Amer], wipe the floor, hammer

Derived forms: trouncings

Type of: beat, beat up, corporal punishment, criticise [Brit], criticize, damn, defeat, get the better of, knock, licking, overcome, pick apart, work over