Phrase guide

brass monkeys

adj · noun · 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

adj

Meaning 1

Very cold.

Definition source: English Wiktionary via Wiktextract

Usage: Commonwealth, Ireland, UK, idiomatic, informal, not-comparable

Examples

  • Blimey, it's brass monkeys out there today.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

plural of brass monkey

Definition source: English Wiktionary via Wiktextract

Usage: form-of, plural

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From the phrase cold enough to freeze the balls off a brass monkey - supposedly a reference to the brass container for cannon balls on a British man-of-war (but this seems to have been discredited).