BLUE MOONS Synonyms: 27 Similar and Opposite Words

blue moons

noun

plural of blue moon

as in months

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

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of blue moons Sometimes a single year can even feature two blue moons. — Avni Trivedi, CNN Money, 29 May 2026 May 2027 and December 2028 will also bring blue moons, according to RMG. — Mariyam Muhammad, USA Today, 30 Apr. 2026 Super blue moons can also occur, but don’t be fooled by the name. — Callum Sutherland, Time, 6 Oct. 2025

Recent Examples of Synonyms for blue moons

Noun

One of the most important findings of this approach is the mechanisms for material loss from protoplanetary disks seem to evolve and switch dominance as an infant star ages.

— Robert Lea, Space.com, 27 Aug. 2026
The stats from Nielsen Media Research also point to an average viewership of 231,000 women ages 25-54 and 179,000 women 18-49.

— Brenton Blanchet, PEOPLE, 27 Aug. 2026

Definition of ages

Noun

Its change in status made the study of Kuiper Belt objects seem equally as important as the study of moons and planets.

— Robert Lea, Space.com, 24 Aug. 2026
Earth-like tectonic earthquakes are not expected to be common on some other planets and moons, but atmospheric disturbances may still be present.

— Nolan Roth, Scientific American, 23 Aug. 2026

Definition of moons

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blue moon

blue moons

blueness

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“Blue moons.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moons. Accessed 30 Aug. 2026.

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Synonyms of blue moons

noun

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