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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Example Sentences
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Recent Examples of blue moon
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
About 25% of all full moons are supermoons, while only 3% of full moons are considered blue moons.
—John Tufts, The Courier-Journal, 17 Sep. 2024
See All Example Sentences for blue moon
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
About 25% of all full moons are supermoons, while only 3% of full moons are considered blue moons.
—John Tufts, The Courier-Journal, 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
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Your talks don’t have to be exactly one-minute long, but sticking to three to eight minutes is a good rule of thumb, Davis says.—
Renée Onque,
CNBC,
26 June 2025
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Part of me, of course, longs to see a more comprehensive exhibit, that the visitor could absorb bit by bit over the course of months.—
Michael Barnes,
Austin American Statesman,
2 July 2025
Noun
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July’s buck moon is named for the new antlers sprouting on male deer during July in the Northern Hemisphere, though it’s also called the thunder and hay moon in North America.—
Jamie Carter,
Forbes.com,
11 July 2025
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While Congress ultimately controls NASA’s budget, Trump’s goals are to cut its workforce, reduce commitments to the International Space Station, shut down nearly 1/3 of its science missions and focus on moon and Mars plans.—
Richard Tribou,
The Orlando Sentinel,
10 July 2025
Noun
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Rock icon Ozzy Osbourne, who died July 22, 2025, at age 76, was a frequent visitor to Milwaukee during his touring days, with the groundbreaking heavy metal band Black Sabbath and on his own as a solo act.—
Chris Foran,
jsonline.com,
23 July 2025
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Magnesium needs vary depending on age, gender, and pregnancy status.1 Adult men: 400-420 milligrams (mg) daily Adult women: 310-400 mg daily Magnesium: 154 mg per ounce, or 37% of the Daily Value (DV) Pumpkin seeds are an excellent source of magnesium.—
Jillian Kubala,
Health,
22 July 2025
Cite this Entry
“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 25 Jul. 2025.
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