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
-
There's a supervised kids club for ages three to 12 called Loggers, and for teens there's Hide Away, featuring table tennis, arcade games, and a cool space to hang with new friends.—
Allison Tibaldi,
USA Today,
9 June 2026
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The shows are carefully created to suit all ages — the kind of shows where some lines go over kids’ heads and hit the funnybones of an older crowd.—
Christopher Arnott,
Hartford Courant,
8 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 10 Jun. 2026.
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