blow the whistle

verb

"blow-the-whistle" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
16
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To disclose information to the public or to appropriate authorities concerning the illegal or socially harmful actions of a person or group, especially a corporation or government agency.

Corpus desk

Index EN-blow-the-whistle · blow the whistle · English

blow the whistle · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 16 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 blow the whistle
PropertyValue
Headwordblow the whistle
LanguageEnglish
Part of speechVerb
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “blow the whistle” in English

blow the whistlefalls 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

blow the whistle is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for blow the whistle, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: When used idiomatically, probably an allusion to a police officer blowing his or her whistle on observing a violation of the law. The correct English form is blow the whistle, spelled B-L-O-W- -T-H-E- -W-H-I-S-T-L-E.

Definition

  1. 1
    To disclose information to the public or to appropriate authorities concerning the illegal or socially harmful actions of a person or group, especially a corporation or government agency.
  2. 2
    To make a piercing sound which signals a referee's action or the end of a game.

Recorded use

Wiktionary examples

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

  1. In some jurisdictions, it is illegal to fire a person for blowing the whistle on an employer.
  2. In recent months, tech journalists at The New York Times have received quite a few such messages, sent by people who claim to have unlocked hidden knowledge with the help of ChatGPT, which then instructed them to blow the whistle on what they had uncovered.

Etymology

When used idiomatically, probably an allusion to a police officer blowing his or her whistle on observing a violation of the law.

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 "blow the whistle"?
"blow the whistle" is spelled B-L-O-W- -T-H-E- -W-H-I-S-T-L-E.
What does "blow the whistle" mean?
As a verb, "blow the whistle" means: To disclose information to the public or to appropriate authorities concerning the illegal or socially harmful actions of a person or group, especially a corporation or government agency.
What is the origin of the word "blow the whistle"?
When used idiomatically, probably an allusion to a police officer blowing his or her whistle on observing a violation of the law. 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