Thesaurus

blue moon

noun

Synonyms & Antonyms of blue moon

a long or seemingly long period of time
  • once in a blue moon we'll get dressed up and eat in a fancy restaurant

Synonyms for blue moon

Words Related to blue moon

Near Antonyms for blue moon

See the Dictionary Definition 

Keep scrolling for more

Learn More About blue moon

Time Traveler for blue moon

Time Traveler

The first known use of blue moon was in 1821

See more words from the same year

Thesaurus Entries Near blue moon

blue laws

blue moon

blue moons

See More Nearby Entries 

Cite this Entry

“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 25 May. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ

Keep scrolling for more

Love words? Need even more definitions?

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