thrashed; thrashing; thrashes
Synonyms of thrash

transitive verb

1
a
: to beat soundly with or as if with a stick or whip : flog
b
: to defeat decisively or severely
thrashed the visiting team
2
: to swing, beat, or strike in the manner of a rapidly moving flail
thrashing his arms
3
a
: to go over again and again
thrash the matter over inconclusively
b
: to hammer out : forge
thrash out a plan
4
: to separate the seeds of from the husks and straw by beating : thresh sense 1

intransitive verb

1
: to move or stir about violently : toss about
thrash in bed with a fever
2
: to deal blows or strokes like one using a flail or whip
3

thrash

2 of 2

noun

1
: an act of thrashing
2
: rock music (such as heavy metal or punk rock) that is extremely fast and loud
Choose the Right Synonym for thrash

swing, wave, flourish, brandish, thrash mean to wield or cause to move to and fro or up and down.

swing implies regular or uniform movement.

swing the rope back and forth

wave usually implies smooth or continuous motion.

waving the flag

flourish suggests vigorous, ostentatious, graceful movement.

flourished the winning lottery ticket

brandish implies threatening or menacing motion.

brandishing a knife

thrash suggests vigorous, abrupt, violent movement.

an infant thrashing his arms about

Examples of thrash in a Sentence

Verb He thrashed me with his belt. The team thrashed them last week. Something was thrashing wildly in the water. She thrashed around in her sleep. Noun The shark swam away with a thrash of its tail.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Bowser thrashed on his way to the rescue facility, which a volunteer described as a positive sign. Moná Thomas, PEOPLE, 22 June 2026 The video showed that during the second time, the dog latched onto Evans’ left forearm and violently thrashed as Evans cried out in pain. Alex Riggins, San Diego Union-Tribune, 26 June 2026
Noun
That sampler captured the band’s brand of thrash punk in its purest form. Daniel Kohn, Los Angeles Times, 21 May 2026 They are made of stainless steel and come with a steel cable (or leather straps, your choice), to withstand the thrash of baggage handling. Danielle Calma, Travel + Leisure, 21 Jan. 2026 See All Example Sentences for thrash

Word History

Etymology

Verb

alteration of thresh

First Known Use

Verb

15th century, in the meaning defined at intransitive sense 3

Noun

1840, in the meaning defined at sense 1

Time Traveler
The first known use of thrash was in the 15th century

Browse Nearby Words

Cite this Entry

“Thrash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thrash. Accessed 8 Jul. 2026.

Kids Definition

thrash

verb
ˈthrash
1
2
a
: to strike forcefully especially with a long instrument (as a whip) : flog
b
: to defeat decisively or severely
thrashed the visiting team
3
: to move or stir about violently
something was thrashing wildly in the water
4
: to go over again and again
thrash the matter over
thrash out a plan

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