Definition of Thrash

1. Noun. A swimming kick used while treading water.

Generic synonyms: Swimming Kick
Group relationships: Treading Water

2. Verb. Give a thrashing to; beat hard. "They want to thrash the prisoners "
Exact synonyms: Flail, Lam, Thresh
Generic synonyms: Beat, Beat Up, Work Over
Related verbs: Bat, Clobber, Cream, Drub, Lick
Derivative terms: Flail, Thrashing

3. Verb. Move or stir about violently. ; "The feverish patient thrashed around in his bed"
Exact synonyms: Convulse, Jactitate, Slash, Thrash About, Thresh, Thresh About, Toss
Generic synonyms: Agitate, Shake
Specialized synonyms: Whip
Derivative terms: Jactitation, Toss

4. Verb. Dance the slam dance. "Sam and Sue thrash"

5. Verb. Beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all.
Generic synonyms: Beat, Pound, Thump

6. Verb. Move data into and out of core rather than performing useful computation. ; "The system is thrashing again!"
Generic synonyms: Swap

7. Verb. Beat the seeds out of a grain. "The fighter managed to thrash his opponent"
Exact synonyms: Thresh
Category relationships: Agriculture, Farming, Husbandry
Generic synonyms: Beat
Derivative terms: Thrasher, Thresher, Threshing

8. Verb. Beat thoroughly and conclusively in a competition or fight. "The fighter managed to thrash his opponent"; "We licked the other team on Sunday!"
Exact synonyms: Bat, Clobber, Cream, Drub, Lick
Generic synonyms: Beat, Beat Out, Crush, Shell, Trounce, Vanquish
Related verbs: Flail, Lam, Thresh
Derivative terms: Drubbing, Thrashing

Definition of Thrash

1. v. t. To beat out grain from, as straw or husks; to beat the straw or husk of (grain) with a flail; to beat off, as the kernels of grain; as, to thrash wheat, rye, or oats; to thrash over the old straw.

2. v. t. To practice thrashing grain or the like; to perform the business of beating grain from straw; as, a man who thrashes well.

Definition of Thrash

1. Verb. To beat mercilessly. ¹

2. Verb. To defeat utterly. ¹

3. Verb. To thresh. ¹

4. Verb. To move about wildly or violently; to flail. ¹

5. Verb. (software) To extensively test a software system, giving a program various inputs and observing the behavior and outputs that result. ¹

6. Verb. (computing) In computer architecture, to cause poor performance of a virtual memory (or paging) system. ¹

7. Noun. A beat or blow; the sound of beating. ¹

8. Noun. (music) A particularly aggressive and intense form of heavy metal music with a focus on speed, technical precision, and alternate picking. ¹

¹ Source:

Definition of Thrash

1. to beat [v -ED, -ING, -ES] - See also: beat

Lexicographical Neighbors of Thrash

thrash (current term)
thrash about
thrash metal
thrash out
thrashing floor

Literary usage of Thrash

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Complete Word and Phrase Concordance to the Poems and Songs of Robert by J. B. Reid (1889)
"3P thrash, Thresh. An1 first cou'd thrash the barn, The Ans. to the ... May Boreas never thrash your rigs, Third Ep. to /. Lap.. To thresh my back at sic a ..."

2. A Dictionary for Primary Schools by Noah Webster (1838)
"thrash'-ed,* p. beat from the car. of thrash'-er, who thrashes. ... Thresh, vt to thrash ; which Threw,p. »(Throw, [entrance, of Tin ice, ..."

3. Blackwood's Edinburgh Magazine (1853)
"But, in a day or two afterwards, the groom comes to my friend Chick, and tells him that Seager had been fool enough to thrash him soundly for some neglect, ..."

4. Dictionary of Obsolete and Provincial English: Containing Words from the by Thomas Wright (1904)
"(Fr.) To beat in a mortar ; to beat ; to thrash. Twould grieve me to be tray'Л In a huge mortar, wrought to paste, be. ..."

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