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
The August 2025 full moon is not a rare super blue moon.
—
Tiffany Acosta, AZCentral.com, 2 Aug. 2025
This spectacle will have a window of ideal visibility through February 21.
March 14: Total lunar eclipse
Sometimes, full moons get called colorful names that are a bit of a fake-out: A blue moon isn’t really blue, and a pink moon isn’t really pink.
—Carlyn Kranking, Smithsonian Magazine, 30 Dec. 2024
Their version of Superman was made with blue moon, red pop and lemon flavors.
—Jalen Williams, Detroit Free Press, 22 Dec. 2024
There's also a lot of supermoons in 2024 — four in a row, in fact, which began in August with a rare seasonal blue moon.
—John Tufts, The Courier-Journal, 4 Sep. 2024
See All Example Sentences for blue moon
Tiffany Acosta, AZCentral.com, 2 Aug. 2025
This spectacle will have a window of ideal visibility through February 21.
March 14: Total lunar eclipse
Sometimes, full moons get called colorful names that are a bit of a fake-out: A blue moon isn’t really blue, and a pink moon isn’t really pink.
—Carlyn Kranking, Smithsonian Magazine, 30 Dec. 2024
Their version of Superman was made with blue moon, red pop and lemon flavors.
—Jalen Williams, Detroit Free Press, 22 Dec. 2024
There's also a lot of supermoons in 2024 — four in a row, in fact, which began in August with a rare seasonal blue moon.
—John Tufts, The Courier-Journal, 4 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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Rice was the primary target, but seven players caught passes before halftime and a 44-yard strike to tight end Travis Kelce and 28-yard hookup with Noah Gray were season longs.—
Blair Kerkhoff,
Kansas City Star,
19 Oct. 2025
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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
Noun
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The peak coincides with the new moon, offering skywatchers ideal viewing conditions since the moon will be 0% illuminated, according to StarWalk.—
Diana Leyva,
Nashville Tennessean,
20 Oct. 2025
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At its nearest point, the beaver moon will be 221,817 miles from Earth, the closest supermoon of the year.—
Jenna Prestininzi,
Freep.com,
20 Oct. 2025
Noun
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His aspiration to be a country artist was what first brought the Texas native to Nashville, at age 19 in 1993.—
Nancy Kruh,
PEOPLE,
18 Oct. 2025
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While not as grand in scale or scope as the aforementioned parks, Erlebnispark Tripsdrill offers a premium day’s retreat for all ages with its unique homage to traditional German culture, superior thrill rides, and countryside landscapes.—
Zachary Laks,
Travel + Leisure,
17 Oct. 2025
Cite this Entry
“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 21 Oct. 2025.
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