once in a blue moon

idiom

: very rarely
It happens once in a blue moon.

Examples of once in a blue moon in a Sentence

Recent Examples on the Web That’s what a great doc does every once in a blue moon: opens the public’s eyes to normalized atrocities and turns the tides toward a better future. Tomris Laffly, EW.com, 10 July 2024 Perhaps surprisingly, most super commuters aren’t those lucky few who only have to show face in the office once in a blue moon. Beth Greenfield, Fortune Europe, 1 July 2024 There is much to be gained from indulging in the undefined every once in a blue moon. Tarot.com, Baltimore Sun, 17 Mar. 2024 In the case of periodical cicadas, studying a phenomenon that occurs less than even once in a blue moon has challenges distinct from studying, say, a colony of ants. Rivka Galchen, The New Yorker, 7 May 2024 From towel warmers to oversized sherpa hoodies, there’s a little something in here for people of all tastes — including that weird uncle who only shows up once in a blue moon. Rebecca Martinson, Rolling Stone, 19 Oct. 2023 Generally, being late to take a dose once in a blue moon isn’t a cause for concern. Amber Smith, Discover Magazine, 24 Sep. 2023 These bristles can then stick to a grill surface, and every once in a blue moon a bristle can end up in someone's food—like inside a burger or a steak. John Thompson, Men's Health, 7 July 2023 What’s even better is that this isn’t something that happens once in a blue moon—many shows, including ones like The Simpsons and Family Guy, frequently have guest appearances from celebrities, ranging from top Hollywood actors and award-winning singers to hilarious late-night talk show hosts. Brittany Natale, Redbook, 16 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'once in a blue moon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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Cite this Entry

“Once in a blue moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/once%20in%20a%20blue%20moon. Accessed 15 Jul. 2024.

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