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
Super blue moons can also occur, but don’t be fooled by the name.
—
Callum Sutherland, Time, 6 Oct. 2025
Black moons are referenced like blue moons, which are defined as the third full moon in an astronomical season containing four full moons.
—Janet Loehrke, USA Today, 21 Aug. 2025
Callum Sutherland, Time, 6 Oct. 2025
Black moons are referenced like blue moons, which are defined as the third full moon in an astronomical season containing four full moons.
—Janet Loehrke, USA Today, 21 Aug. 2025
Recent Examples of Synonyms for blue moons
Noun
-
In Windsor, George, Charlotte and Louis, the grandchildren of King Charles III, live a relatively quiet life, attending Lambrook School, a prep school for children ages 3-13.—
ABC News,
ABC News,
6 Apr. 2026
-
In fact, a 2025 CDC report showed that the number of births among women ages 35 to 39 has nearly doubled since 1990, and for the first time, in 2023, more babies were born to women aged 40 and over than to teens.—
Erica Sloan,
SELF,
6 Apr. 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
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We were deprived of what every human longs for—a chance to love honestly with mind, body and soul.—
Donna Lamb,
MSNBC Newsweek,
31 Mar. 2026
-
Donica, across from her, is on sturdier ground, fearsome to the point of awe-inspiring in the sustained fury of his fermatas, though his considerable force as a performer longs to be shaped more cleanly.—
Jackson McHenry,
Vulture,
19 Mar. 2026
Noun
-
This matter is the result of gases emitted by the Saturnian moons, particularly Enceladus, which is known to spray out icy plumes that originate from its subsurface ocean.—
Robert Lea,
Space.com,
1 Apr. 2026
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Similar to Hubble's image, several of Saturn's moons are visible, including Janus near the rings to the left of the planet, and Dione below.—
Eric Lagatta,
USA Today,
26 Mar. 2026
Cite this Entry
“Blue moons.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moons. Accessed 13 Apr. 2026.
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