Category: Greetings & PhrasesPart of speech: phraseDifficulty: Intermediate

when pigs fly

/when pigs fly/Roman
/wen pɪɡz flaɪ/IPA

English meaning: When pigs fly

Definition

Used to say that something will never happen.

Example

“He'll tidy his room when pigs fly; I've been asking him for three years now.”

Another example: “'He says he'll clean his room without being asked.' 'Sure, and pigs might fly.'”

Usage — When, Where & How

Informal and humorous, used dismissively to say something is extremely unlikely or will never happen. Often tacked onto the end of a sentence as a sarcastic reply.

Etymology & Origin

English — Origin & History

A centuries-old impossibility idiom; an early form appears in 17th-century proverb collections.

Synonyms

  • when hell freezes over
  • not in a million years
  • never in a month of sundays

Antonyms / Opposites

  • any day now
  • in no time

Related Words

  • impossible
  • unlikely
  • sarcasm
  • never

Common Collocations

  • when pigs fly
  • yeah, when pigs fly
  • that'll happen when pigs fly

Word Forms

—

Word Tools

3 syllables

Literary Heritage

“To thine own self be true, and it must follow, as the night the day, thou canst not then be false to any man.”

/To thine own self be true/

“Be honest with yourself — and as naturally as night follows day, you will be unable to be false to others.”

William Shakespeare · Playwright & Poet · 1564–1616

Hamlet, Act II

Hamlet, II.i — Polonius's parting words to Laertes; the most quoted line in Shakespeare

“I'm nobody! Who are you? Are you nobody, too?”

/I'm nobody! Who are you?/

“I am nobody — and that quiet anonymity is more honest than the noise of public fame.”

Emily Dickinson · Poet · 1830–1886

Poems

Poem 288 — Dickinson's subversive celebration of solitude over social recognition

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Language information

Language
English
English
Script
Latin
Family
Indo-European
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