as in forever
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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of blue moon
From familiar favorites like peanut butter cup and s’mores to more playful creations such as birthday cake and blue moon, Carrie’s Crispies has built a following for offering both nostalgic and unique takes on the classic treat.
—
Adrienne Davis, jsonline.com, 24 Mar. 2026
On May 31, sky-gazers can look forward to a blue moon, the second full moon in one calendar month.
—Lily Hautau, CNN Money, 27 Feb. 2026
These include three supermoons, two micromoons, a blood moon (total lunar eclipse) and a blue moon.
—Alexis Simmerman, Austin American Statesman, 29 Jan. 2026
Super blue moons can also occur, but don’t be fooled by the name.
—Callum Sutherland, Time, 6 Oct. 2025
See All Example Sentences for blue moon
Adrienne Davis, jsonline.com, 24 Mar. 2026
On May 31, sky-gazers can look forward to a blue moon, the second full moon in one calendar month.
—Lily Hautau, CNN Money, 27 Feb. 2026
These include three supermoons, two micromoons, a blood moon (total lunar eclipse) and a blue moon.
—Alexis Simmerman, Austin American Statesman, 29 Jan. 2026
Super blue moons can also occur, but don’t be fooled by the name.
—Callum Sutherland, Time, 6 Oct. 2025
See All Example Sentences for blue moon
Recent Examples of Synonyms for blue moon
Noun
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Miami trailed 1-0 fast, in the sixth minute, when the defense left Guilherme Biro unmarked for a downward header off a corner kick, gifting Biro the forever-history of the first goal in the new stadium.—
Miami Herald,
Miami Herald,
5 Apr. 2026
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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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Declan’s actress wife, Maud (Victoria Smurfit), feels desperately lonely and cast aside, and longs to return to London.—
Aramide Tinubu,
Variety,
15 May 2026
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Now, decades later, Maple longs to provide a good life for her son.—
Ishani Desai,
Sacbee.com,
10 May 2026
Noun
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Suarez, the van occupant and two additional pedestrians, ages 44 and 36, were listed in stable condition.—
Brittany Miller,
FOXNews.com,
16 May 2026
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The film explores themes of power and coming of age in a corrupt society, with campus culture wars and climate grief at its center.—
Naman Ramachandran,
Variety,
16 May 2026
Noun
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Read below to find out who embodies your sun, moon or rising.—
Lisa Stardust,
PEOPLE,
16 May 2026
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Saturday’s moon phase is perfect for viewing, as the new moon phase means none of the moon will be visible.—
Antonio Pequeño IV,
Forbes.com,
16 May 2026
Cite this Entry
“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 22 May. 2026.
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