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thrash

American  
[thrash] / θræʃ /

verb (used with object)

  • thrashes,
    present (3rd person singular)
  • thrashed,
    past participle,  past
  • thrashing
    present participle
  1. to beat soundly in punishment; flog.

    Synonyms:
    drub, maul
  2. to defeat thoroughly.

    The home team thrashed the visitors.

  3. Nautical. to force (a close-hauled sailing ship under heavy canvas) against a strong wind or sea.

  4. thresh.


verb (used without object)

  • thrashes,
    present (3rd person singular)
  • thrashed,
    past participle,  past
  • thrashing
    present participle
  1. to toss, or plunge about.

  2. Nautical. to make way against the wind, tide, etc.; beat.

  3. thresh.

noun

  1. an act or instance of thrashing; beating; blow.

  2. thresh.

  3. Swimming. the upward and downward movement of the legs, as in the crawl.

  4. British Slang. a party, usually with drinks.

verb phrase

  1. thrash out / over to talk over thoroughly and vigorously in order to reach a decision, conclusion, or understanding; discuss exhaustively. Also thresh outover.

thrash British  
/ θræʃ /

verb

  1. (tr) to beat soundly, as with a whip or stick

  2. (tr) to defeat totally; overwhelm

  3. (intr) to beat or plunge about in a wild manner

  4. (intr) to move the legs up and down in the water, as in certain swimming strokes

  5. to sail (a boat) against the wind or tide or (of a boat) to sail in this way

  6. another word for thresh

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the act of thrashing; blow; beating

  2. informal a party or similar social gathering

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See beat.

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of thrash

before 900; Middle English thrasshen, variant of thresshen to thresh

Explanation

When you thrash someone, you beat them — literally, with your fists, or figuratively, by winning a game or competition. You can describe your game plan for a chess match this way: "I plan to thrash that show-off in just ten moves." You can also threaten to physically thrash someone, like a neighborhood bully who's been known to thrash much smaller kids. Thrash was originally a sixteenth-century variation on the word thresh, which means to separate grain from wheat or another plant by beating it.

Keep Reading on Vocabulary.com

Vocabulary lists containing thrash

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A band of protestors in flip-flops thrash on aluminum pans, registering their anger with the blackouts, moving quickly to avoid the police.

From Barron's Aug. 18, 2026

That was never far from our thoughts as we watched “The Late Show” thrash, often jubilantly, against the coming night over the 10 months that the network gave it to bleed out.

From Salon May 21, 2026

Former winner Shaun Murphy produced a superb performance to thrash China's Xiao Guodong 13-3 and become the first player into the 2026 World Championship quarter-finals.

From BBC Apr. 24, 2026

The only other thrash band to hit No. 1 is Metallica, who have done so six times, most recently with 2016’s “Hardwired ... to Self-Destruct.”

From Los Angeles Times Feb. 20, 2026

Instantly, Percy gulped and began to thrash, but Jason was as lifeless as a rag doll.

From "The Mark of Athena" by Rick Riordan

He stands with a classical-looking, slightly-open stance, taps the ground once as the spinner enters his delivery stride and then thrashes the ball with his fast hands.

From BBC Apr. 8, 2025

Park thrashes through the “Hedwig” songbook with aplomb; high points include the headbanger “Angry Inch,” the aching anthem “Wicked Little Town” and “Wig in a Box,” a tour-de-force tune of self-discovery.

From Washington Post Nov. 30, 2021

“When the virus thrashes your lungs, then what’s left is lung damage, and your body just has to heal that on its own,” he says.

From Seattle Times Sep. 30, 2021

The rough grabs Scheffler’s club as he thrashes out of the rough at 1.

From The Guardian Jul. 18, 2021

In a camp beside a big river that thrashes thrashes before me, deep and murky.

From "Beast Rider" by Tony Johnston & María Elena Fontanot de Rhoads

In June, they were thrashed by Zimbabwe, the lowest of cricket's 10-ranked Test-playing nations, in a one-off match in Harare.

From BBC Aug. 16, 2026

When Broussard and his friend attempted to put Catzilla into the fishing basket, with the intention of then releasing it, the 50-pounder violently thrashed and slipped free.

From Los Angeles Times Aug. 1, 2026

It's a dream for surfers, but can quickly become a nightmare for inexperienced swimmers thrashed by strong currents.

From Barron's Aug. 1, 2026

It meant Balogun could line up against Belgium, who routinely thrashed the hosts.

From BBC Jul. 17, 2026

Alfhercht led them around, still hidden in the shelter of the trees, until the Dnieper thrashed ahead of them.

From Anya and the Nightingale by Sofiya Pasternack

The gulf between Oklahoma State and its free-spending rivals was never more obvious than in the Cowboys’ second game last season, a 69-3 thrashing by Oregon.

From The Wall Street Journal Aug. 28, 2026

For rock fans, “Boston” had it all—dramatic guitar solos, powerful lead vocals, a jabbing bass line, thrashing drums and catchy songs with a smart blend of pop and metal.

From The Wall Street Journal Aug. 15, 2026

The 29-year-old's time of 1:56.38 was rapid for four lengths of furious thrashing, each one a different stroke.

From BBC Jul. 24, 2026

The Belgian team copied Trump's unmistakable swaying fist pumps as they celebrated their 4-1 thrashing of the co-hosts on Monday, dancing and singing the song on the pitch and in the changing room.

From Barron's Jul. 7, 2026

He was thrashing about weakly when I went back to him.

From "Kindred" by Octavia Butler

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