Word.ws English Dictionary

blue moons

blue moons is the plural of blue moon.

Meaning of blue moon

Noun

blue moon (countable and uncountable, plural blue moons)

  1. The third full moon in a season that contains four rather than the usual three full moons.
  2. The second of two full moons that occur in the same calendar month (a definition created by mistake in the 20th century).
  3. (countable, rare) The moon tinted towards blue as it appears in the sky, caused by dust or smoke in the atmosphere.
  4. (broadly, countable, idiomatic) A long time.
  5. (uncountable) A bright blue, sweet-flavored ice cream that is popular in the Midwestern U.S. and is a component of Superman ice cream.

Questions about blue moons

What is blue moons the plural of?
Blue moons is the plural of blue moon.

Words near blue moons in the dictionary

  1. blue Mondays
  2. blue money
  3. blue monkey
  4. blue monkeys
  5. blue moon
  6. blue moons
  7. Blue Mountains
  8. Blue Mountains National Park
  9. blue movie
  10. blue movies
  11. blue murder

Source and license

Adapted from Wiktionary: blue moons (page history and authors); blue moon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “blue moons.” Word.ws, https://word.ws/blue_moons. Based on Wiktionary, CC BY-SA 4.0.