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
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The event was organized by the Bristol Bot Builders, a group dedicated to sparking interest in STEM subject – science, technology, engineering, and math – among people of all ages.—
Bojan Stojkovski,
Interesting Engineering,
19 Oct. 2025
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ATPs help students with disabilities, ages 18-22, transition to adult life by focusing on employment, independent living and community skills.—
Marsha Sutton,
San Diego Union-Tribune,
19 Oct. 2025
Noun
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Released in 2002, Real Women Have Curves starred a then-teenage Ferrera as Ana, a young Los Angeles woman who aspires to go to college, but whose mother (the late Lupe Ontiveros) longs for her daughter to stay home and lead a traditional life abiding by cultural standards.—
Joey Nolfi,
Entertainment Weekly,
11 Oct. 2025
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There were handoffs on third-and-longs.—
Alex Zietlow,
Charlotte Observer,
29 Sep. 2025
Cite this Entry
“Blue moons.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moons. Accessed 24 Oct. 2025.
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