when pigs fly

idiom

Definition of when pigs fly

US, informal
used to say that one thinks that something will never happen The train station will be renovated when pigs fly.

Learn More About when pigs fly

Dictionary Entries Near when pigs fly

when opportunity knocks

when pigs fly

whenso

See More Nearby Entries 

Statistics for when pigs fly

Cite this Entry

“When pigs fly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/when%20pigs%20fly. Accessed 15 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!