“Throw in the towel” means to stop trying or concede defeat. The reviewed history strongly connects it to boxing: Phrase Finder reports an earlier sponge signal from 1845, a towel-in-ring example from 1904, and a figurative Australian use from 1910.
ReviewedEvidence2 sourcesSectionPhrases & Idioms
Quick answer
It means to give up or admit defeat.
Key details
Core Meaninggive up or admit defeat
Origin Statusboxing origin strongly supported
Predecessorthrow up/in the sponge
Reported Figurative Use1910
Reported Towel Ring Use1904
Documented timeline
1845
Sponge predecessor reported
Phrase Finder reports Green’s Dictionary of Slang tracing the sponge signal to The Era in 1845.
secondary reportedconfidence: medium-high
1904
Towel boxing signal reported
Phrase Finder reports a Sydney Sportsman example involving a towel over the ropes.
secondary reportedconfidence: medium-high
1910
Figurative use reported
Phrase Finder reports a Sydney Bulletin ant-battle account using towel imagery figuratively for conceding.
secondary reportedconfidence: medium-high
Variants
throw in the towel
Current idiomatic form.
throw/toss in the towel
Variant wording appears in early reported figurative uses.
throw up/in the sponge
Earlier prizefighting concession expression.
Meaning over time
Throw up/in the sponge
A sponge thrown up/in signaled submission in prizefighting.
Towel as boxing concession signal
A towel thrown into/over the ring ropes signaled that a losing fighter was being withdrawn.
General surrender idiom
The phrase generalized beyond boxing to mean giving up.
Further guidance
Boxing Origin
Phrase Finder traces the expression to a boxing concession signal in which a towel or sponge is thrown into the ring.
Meaning
Cambridge defines the idiom as stopping because you realize you cannot succeed.
Predecessor
Phrase Finder reports “throw up the sponge” as an earlier prizefighting concession expression, with evidence back to 1845.
Semantic Extension
The physical concession signal was then extended to non-boxing situations meaning give up or admit defeat.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
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“Against all odds” emphasizes success despite obstacles or an unfavorable likelihood. Cambridge also records “against (all) the odds,” so the guide treats those forms as part of the same current idiom rather than inventing separate origin claims.
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