"thrash" in the noun sense

1. thrash

a swimming kick used while treading water

"thrash" in the verb sense

1. thrash, thresh, lam, flail

give a thrashing to beat hard

2. convulse, thresh, thresh about, thrash, thrash about, slash, toss, jactitate

move or stir about violently

"The feverish patient thrashed around in his bed"

3. slam dance, slam, mosh, thrash

dance the slam dance

4. thrash

beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all

5. thrash

move data into and out of core rather than performing useful computation

"The system is thrashing again!"

6. thrash, thresh

beat the seeds out of a grain

7. cream, bat, clobber, drub, thrash, lick

beat thoroughly and conclusively in a competition or fight

"We licked the other team on Sunday!"

Source: WordNet® (An amazing lexical database of English)

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