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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Recent Examples of blue moon
On Monday, a super blue moon lit up the night sky, giving people a glimpse at this rare spectacle.
—
Marley Malenfant, Austin American-Statesman, 20 Aug. 2024
Their version of Superman was made with blue moon, red pop and lemon flavors.
—Jalen Williams, Detroit Free Press, 22 Dec. 2024
Tuesday's supermoon will mark the second of four consecutive supermoons, the next being Thursday, Oct. 17:
Aug. 19: super blue moon
Sept. 17: supermoon, harvest moon and partial lunar eclipse
Oct. 17: supermoon
Nov. 15: supermoon
More:Missed the rare super blue moon?
—Alexis Simmerman, Austin American-Statesman, 16 Sep. 2024
Tuesday’s moon followed the Aug. 19 super blue moon.
—Jaweed Kaleem, Los Angeles Times, 17 Sep. 2024
See All Example Sentences for blue moon
Marley Malenfant, Austin American-Statesman, 20 Aug. 2024
Their version of Superman was made with blue moon, red pop and lemon flavors.
—Jalen Williams, Detroit Free Press, 22 Dec. 2024
Tuesday's supermoon will mark the second of four consecutive supermoons, the next being Thursday, Oct. 17:
Aug. 19: super blue moon
Sept. 17: supermoon, harvest moon and partial lunar eclipse
Oct. 17: supermoon
Nov. 15: supermoon
More:Missed the rare super blue moon?
—Alexis Simmerman, Austin American-Statesman, 16 Sep. 2024
Tuesday’s moon followed the Aug. 19 super blue moon.
—Jaweed Kaleem, Los Angeles Times, 17 Sep. 2024
See All Example Sentences for blue moon
Recent Examples of Synonyms for blue moon
Noun
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One way to mess with an option team’s Plan A is to not only stick them with third-and-forevers, but to put them in an early hole, making them throw out of desperation.—
Sean Keeler,
The Denver Post,
14 Sep. 2019
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Printed with thermochromic ink, the stamp reveals a second image of the moon when a finger is pressed to it, and a sheet of 16 Forever stamps features a map of the eclipse path.—
Meg Jones,
Milwaukee Journal Sentinel,
18 Aug. 2017
Noun
-
What a child like Opal longs for is community and feeling embraced and loved.—
Mary Ann Grossmann,
Twin Cities,
10 Aug. 2025
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Saint-Saëns long had the reputation of being too expert for his own good, spinning emptily elegant spiderwebs of notes.—
Alex Ross,
New Yorker,
4 Aug. 2025
Noun
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Thanks to a first-quarter moon in Sagittarius on Aug. 31, the month ends with career challenges calling for a strategic reset.—
Valerie Mesa,
People.com,
5 Aug. 2025
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The 40-minute radar test produced approximately 60 gigabytes of data, confirming that the system is performing as intended and ready for its primary mission at Jupiter's icy moon Europa, the statement read.—
Sharmila Kuthunur,
Space.com,
4 Aug. 2025
Noun
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Their work in the market has considerably lowered the age of the squad and added more dynamism to a team that had started to look one-paced.—
Jordan Campbell,
New York Times,
15 Aug. 2025
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Attorneys for the Commonwealth drew timelines on a large easel pad of white paper with each victims’ ages and corresponding school years to help jurors understand when the allegations took place.—
Stephanie Kuzydym,
The Courier-Journal,
15 Aug. 2025
Cite this Entry
“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 20 Aug. 2025.
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