Phrase guide

put up one's dukes

verb · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

To raise one's clenched fists in front of one's body and stand in a threatening or defiant manner, in preparation for a fistfight.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To take firm action or to show oneself to be committed to such action, as when competing in a sporting event or other contest.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, idiomatic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Possibly by analogy to a king or other ruler summoning his dukes, and by extension the duke's knights or other soldiers, to battle an enemy. Another possibility is Cockney rhyming slang as explained at duke. It could also be a convoluted--though erroneous--reference to the 9th Marquess of Queensberry (after whom the rules for modern boxing were initially named).