brass monkeys

adj

"brass-monkeys" is a 12-letter English headword indexed on PlainSpell.

The verdict

“brass monkeys” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Very cold.

Corpus desk

Index EN-brass-monkeys · brass monkeys · English

brass monkeys · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for brass monkeys
PropertyValue
Headwordbrass monkeys
LanguageEnglish
Part of speechAdjective
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “brass monkeys” in English

brass monkeysfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

brass monkeys is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Very cold.".

No generated misspelling entries exist for brass monkeys in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: 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). The correct English form is brass monkeys, spelled B-R-A-S-S- -M-O-N-K-E-Y-S.

Definition

  1. 1
    Very cold.

Recorded use

Wiktionary example

These source excerpts show how brass monkeys appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

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

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).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "brass monkeys"?
"brass monkeys" is spelled B-R-A-S-S- -M-O-N-K-E-Y-S.
What does "brass monkeys" mean?
As an adjective, "brass monkeys" means: Very cold.
What is the origin of the word "brass monkeys"?
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). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list