Thesaurus

blue moon

noun

Synonyms and 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 of blue moon

aeon (or eon), age, coon's age, cycle, donkey's years [chiefly British], eternity, forever, long, months, moon

Words Related to blue moon

Near Antonyms of blue moon

flash, instant, jiffy, minute, moment, second, shake, split second, trice, twinkle, twinkling, wink

microsecond, nanosecond

Learn More about blue moon

See words that rhyme with blue moon Dictionary: Definition of blue moon

Seen and Heard

What made you want to look up blue moon? Please tell us where you read or heard it (including the quote, if possible).

show comments

WORD OF THE DAY

chapel

a private place of worship

Words at Play

Ask the Editors

Word Games