WordWeb Online

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
   - 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, chew up, have words, lambaste, lambast, ream [N. Amer]
    
4. Beat thoroughly and conclusively in a competition or fight
   - cream, bat, clobber, drub, thrash, lick, slaughter, wipe the floor, beat hollow

Derived forms: trounces, trounced, trouncing

See also: trouncing

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