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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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
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
-
For children ages four and up, there’s the Adventure Zone kids club with indoor slides and arts and crafts, while fish feeding and guided nature walks happen at the Eco Centre.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
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PwC’s 2026 Alpha Survey found that 97% of kids ages 7-14 make purchasing decisions independently at least some of the time, with 61% pointing to social media as the main driver of their buying decisions, outpacing peer influence and significantly surpassing traditional channels like TV advertising.—
Brieane Olson,
Forbes.com,
1 June 2026
Noun
-
Those tush-pushes can’t beat you if The Winter Soldier’s facing third-and-forevers.—
Joe Nguyen,
Denver Post,
17 Jan. 2026
Noun
-
Reluctant med student Kel (Nicholas Duvernay) longs to be an actor.—
Judy Berman,
Time,
1 June 2026
-
Etna, a battle-scarred but kindhearted shepherd mix who was plucked from his home on the eve of an unspecified conflict in an unnamed country, has grown weary of war’s brutalities and longs to return to the coastal farm of his puppyhood.—
Emily Temple,
Literary Hub,
26 May 2026
Noun
-
Topline Despite hosting the shortest nights of the year for skywatchers in the Northern Hemisphere, June brings one of the year’s finest months for casual stargazing, with bright planets and delicate crescent moons dominating the post-sunset hour.—
Jamie Carter,
Forbes.com,
31 May 2026
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Icy moons like Saturn’s Enceladus and Jupiter’s Europa likely contain oceans beneath frozen outer shells.—
Gideon Yoffe,
The Conversation,
29 May 2026
Cite this Entry
“Blue moons.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moons. Accessed 5 Jun. 2026.
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