"blue moon" Definition

  1. an unlimited period. “Once in a blue moon.”

More About blue moon

Position in the dictionary: 253 of 4022 slang words.
Next words in the dictionary: blue murders., blue ruin, blue-pigeon-flyer, blued, blues, bluey, bluff, blunt, blurt out, board-of-green-cloth
Previous words in the dictionary: blue devils, blue butter, blue bottle, blue blanket, blue billy, blue bellies, blue, bludger, blowsey, blower

The Slang Dictionary's Entry for blue moon

Read The Slang Dictionary's historical definition of the slang word "blue moon" on this page. Also learn other useful information about "blue moon", including the position in the dictionary and the next and previous terms to be discovered.