blue moon

Definition of blue moonnext
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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of blue moon However, there’s another type of blue moon. — Hali Smith may 30, Idaho Statesman, 30 May 2026 North Carolina sky gazers will get a chance to see the only blue moon of the year later this month, though catching it will require an early wake-up call. — Charlotte Observer, 29 May 2026 The last blue moon was on August 31, 2023, and the next one will come on December 31, 2028, according to EarthSky. — Connor Greene, Time, 29 May 2026 The second of these moons is called a blue moon — a calendrical blue moon, to be precise. — Avni Trivedi, CNN Money, 29 May 2026 See All Example Sentences for blue moon
Recent Examples of Synonyms for blue moon
Noun
  • There is a certain ease and flow to the conversation with your forevers.
    — Barbara Ellis, Denver Post, 17 May 2026
  • Miami trailed 1-0 fast, in the sixth minute, when the defense left Guilherme Biro unmarked for a downward header off a corner kick, gifting Biro the forever-history of the first goal in the new stadium.
    — Miami Herald, Miami Herald, 5 Apr. 2026
Noun
  • The 49ers have played from ahead in each of their three games, minimizing obvious passing situations and third-and-longs.
    — Chris Biderman, Sacbee.com, 30 Sep. 2026
  • This is the story of JAŸ-Z in 8, a new long but guarded eight-part HBO docuseries about the rapper directed and produced by Def Jam co-founder Rick Rubin.
    — Craig Jenkins, Vulture, 22 Sep. 2026
Noun
  • Of all the factors that can increase a person’s risk of breast cancer, age is among the most significant.
    — Allessandra DiCorato, STAT, 8 Oct. 2026
  • The island’s permanent Art House invites guests—of all ages—to get creative on canvas or pottery with the guidance of its resident artist.
    — Condé Nast, Condé Nast Traveler, 8 Oct. 2026
Noun
  • Another will examine the stability of a design resembling the protective aeroshell planned for NASA’s Dragonfly mission to Saturn’s moon Titan.
    — Neetika Walter, Interesting Engineering, 9 Oct. 2026
  • Fortunately, a waning crescent moon isn’t expected to be bright enough to obscure the shower, in which 10 meteors can streak across the sky per hour.
    — Ashley Strickland, CNN Money, 8 Oct. 2026

Browse Nearby Words

Cite this Entry

“Blue moon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blue%20moon. Accessed 10 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster