Definition of featherbrainnext
as in rattlebrain
a silly flighty person you would not want to have to rely on that featherbrain in an emergency

Synonyms & Similar Words

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Example Sentences

Recent Examples of Synonyms for featherbrain
Noun
  • From the opening, we are meant to wonder if Morris is a fool, besotted with this older, somewhat odd, controlling woman that no one in the family likes.
    — John Warner, Chicago Tribune, 7 Nov. 2026
  • So to expect something dramatically different to immediately be forthcoming less than 10 games in largely would stand as a fool’s errand.
    — Ira Winderman, Sun Sentinel, 7 Nov. 2026
Noun
  • Her new book is a similar mash-up of the silly and the somber.
    — Lisa Hanawalt, Vulture, 16 Oct. 2026
  • It was shot in portrait because it was shot in Instagram by and for a woman who was losing her mind in quarantine and had fully let the sillies take the wheel.
    — Ego Nwodim, TIME, 12 Feb. 2025
Noun
  • This league has been out to cook its golden goose from Day 1.
    — Patricia Babcock McGraw OutKick, FOXNews.com, 27 Oct. 2026
  • What's candy for the goose may be a savory munchy for the gander.
    — Jeffrey Steingarten, Vogue, 25 Oct. 2026
Noun
  • This was not the case for one—an egregious offering that dwarfed all the others, like a cuckoo in a wren’s nest.
    — Literary Hub, Literary Hub, 15 Sep. 2026
  • But a cuckoo premise isn’t enough to hang a film on, apparently.
    — Bethy Squires, Vulture, 7 Aug. 2026
Noun
  • Winnie, on the other hand, is a flibbertigibbet of stream-of-consciousness.
    — Han Ong, New Yorker, 22 June 2025
  • Projects about Monroe have handled her personal life to varying degrees of success, often leaning into her flibbertigibbet persona, her struggles with addiction, and the paradox of her oozing sexuality and her little girl brokenness.
    — Maureen Lee Lenker, EW.com, 24 Jan. 2023
Noun
  • There’s a tramp, a ditz, a bad boss, a hippie, a by-the-book good girl.
    — Emily Nussbaum, New Yorker, 2 Apr. 2026
  • Rather than stay pigeonholed as a ditz, Simpson (who just released new music for the first time in 15 years) went on to launch her own fashion brand, which hit $1 billion in sales in 2015 and is still going strong today.
    — EW Staff, EW.com, 20 Mar. 2025
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.

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Cite this Entry

“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 10 Nov. 2026.

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