let the cat out of the bag

verb

"let-the-cat-out-of-the-bag" is a 20-letter English headword indexed on PlainSpell.

The verdict

“let the cat out of the bag” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
26
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To disclose a secret; to let a secret be known, often inadvertently.

Corpus desk

Index EN-let-the-cat-out-of-the-b · let the cat out of the bag · English

let the cat out of the bag · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 26 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" 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 let the cat out of the bag
PropertyValue
Headwordlet the cat out of the bag
LanguageEnglish
Part of speechVerb
Letters26
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “let the cat out of the bag” in English

let the cat out of the bagfalls 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

let the cat out of the bag is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To disclose a secret; to let a secret be known, often inadvertently.".

Zero misspellings are on record for let the cat out of the bag in our index, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: (Mid-1700s) The inverse of the idiom pig in a poke. If a dishonest merchant tries to sell a cat as a pig and the cat comes out or is taken out of the bag, the merchant's secret is disclosed. The correct English form is let the cat out of the bag, spelled L-E-T- -T-H-E- -C-A-T- -O-U-T- -O-F- -T-H-E- -B-A-G.

Definition

  1. 1
    To disclose a secret; to let a secret be known, often inadvertently.

Recorded use

Wiktionary examples

These source excerpts show how let the cat out of the bag appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. It was going to be a surprise party until someone let the cat out of the bag.
  2. [H]e proved himself as decent, decorous, and conscientious, as Peter was rampant, boisterous, and —— (this last epithet I choose to suppress, because it would let the cat out of the bag).

Etymology

(Mid-1700s) The inverse of the idiom pig in a poke. If a dishonest merchant tries to sell a cat as a pig and the cat comes out or is taken out of the bag, the merchant's secret is disclosed.

Synonyms

This word in other languages

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 "let the cat out of the bag"?
"let the cat out of the bag" is spelled L-E-T- -T-H-E- -C-A-T- -O-U-T- -O-F- -T-H-E- -B-A-G.
What does "let the cat out of the bag" mean?
As a verb, "let the cat out of the bag" means: To disclose a secret; to let a secret be known, often inadvertently.
What is the origin of the word "let the cat out of the bag"?
(Mid-1700s) The inverse of the idiom pig in a poke. If a dishonest merchant tries to sell a cat as a pig and the cat comes out or is taken out of the bag, the merchant's secret is disclosed. 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