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
  • Don’t let the thin sole fool you though, the structure is still quite supportive and keeps your feet cushioned.
    Rylee Johnston, PEOPLE, 11 July 2026
  • Being a gent or a supplicant wasn’t the same as being a fool, though.
    Nicholas Quah, Vulture, 29 June 2026
Noun
  • But no, sillies: Bradley is white, famous and pretty — no jail time for her!
    Kimberly Roots, TVLine, 17 Sep. 2025
  • 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
  • The scribe carefully inscribed each line with a quill made from a goose feather, while their other hand wielded an erasing knife used to sharpen the quill and scrape away any mistakes.
    Literary Hub, Literary Hub, 6 July 2026
  • The list goes on, though; roast goose and crispy fried pigeon star on the menu at The Legacy House, and stylish couples swish into DarkSide for live jazz even on most evenings.
    Condé Nast, Condé Nast Traveler, 29 June 2026
Noun
  • My favorite depictions of this city know its real history is too cuckoo to capture sincerely; straight reenactments make the production of 35mm masterpieces look as piddly as Shrinky Dinks.
    Amy Nicholson, Los Angeles Times, 1 July 2026
  • One page has handbag ideas, and, true to form, there is a cuckoo-clock purse, a pyramid purse, a purse shaped as a well.
    Adam Moss, Vulture, 17 Apr. 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 13 Jul. 2026.

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