How to Use once in a blue moon in a Sentence

once in a blue moon

phrase
  • As for giving up goals, well, that happens once in a blue moon.
    Matt Le Cren, chicagotribune.com, 12 Apr. 2022
  • But every once in a blue moon, a new trick will appear out of nowhere and blow me away.
    Yoni Heisler, BGR, 24 Feb. 2021
  • Even the ones who only cash in on their vacation days every once in a blue moon.
    Caroline Lupini, USA TODAY, 25 June 2021
  • There is much to be gained from indulging in the undefined every once in a blue moon.
    Tarot.com, Baltimore Sun, 17 Mar. 2024
  • 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
  • Growing up near Houston meant snow was a luxury afforded once in a blue moon.
    Jay R. Jordan, Chron, 21 Nov. 2020
  • Last year, Williams featured a fastball, slider, curveball and, once in a blue moon, a changeup.
    Zack Meisel, The Athletic, 10 July 2024
  • For instance, there’s an increase in those who search daily rather than logging in once in a blue moon, Pollak said.
    Carolyn Said, San Francisco Chronicle, 12 Nov. 2022
  • Gangubai, is that one special really, once in a blue moon kind of experience.
    Naman Ramachandran, Variety, 6 Dec. 2022
  • Haji holds a track session once in a blue moon, but this time the program is 2 minutes at a hard effort, 16 times.
    Hannah Borenstein, Outside Online, 25 Mar. 2020
  • 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
  • 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
  • My husband has been through a lot of tough stuff in his life, and his silly side only comes out with our two children (one toddler and one baby) once in a blue moon.
    Meghan Leahy - Parenting Q&a, Anchorage Daily News, 23 Feb. 2023
  • While you're not restricted from enjoying these items once in a blue moon, they should be avoided as much as possible on a routine daily basis.
    Zee Krstic, Good Housekeeping, 1 Nov. 2022
  • While there are glimpses of the rhythm game renaissance every once in a blue moon, music-first releases have essentially become extinct.
    Brittany Vincent, Rolling Stone, 8 Feb. 2023
  • Since then, the number of forwards that have come in to RSL’s camp and failed to score more than once in a blue moon requires some extra appendages to count.
    Andy Larsen, The Salt Lake Tribune, 13 Oct. 2020
  • There's not supposed to be an ignition source on the engine anywhere, but once in a blue moon, a stray spark or an overheated exhaust manifold can make the carb cleaner flare up.
    Mike Allen, Popular Mechanics, 28 Feb. 2011
  • 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
  • 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
  • Edinson Cavani, the current second-string centre forward who does pose a threat on the pitch, can only play once in a blue moon and spends the rest of the time on the sidelines or in the treatment room.
    Liam Canning, Forbes, 17 Apr. 2022
  • Good stories come from good reporters with good sources working for good organizations—though every once in a blue moon, a good story comes from a bad reporter working for a bad newspaper or TV network.
    Alex Shephard, The New Republic, 10 Sep. 2020
  • Every once in a blue moon, a human being arrives on Earth as a freak accident of genetic alchemy, gifted with bone structure, height, and the uncanny positioning of features that registers to other humans as beauty.
    Sophie Gilbert, The Atlantic, 6 Mar. 2026

Some of 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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