as in featherbrain
a silly flighty person in a medical situation of this seriousness we don't need some rattlebrain running around in a panic

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Example Sentences

Recent Examples of Synonyms for rattlebrain
Noun
  • 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
  • Some more sillies from last night’s GRAMMY nominees reception.
    Kimberlee Speakman, People.com, 4 Feb. 2025
Noun
  • Burgess and Shelby’s View Forecasting Trump’s decisions is always a fool’s errand, and his public statements on Wednesday only underscored his opaque approach.
    Burgess Everett, semafor.com, 18 June 2025
  • Still, only a fool would underestimate the strength of a mom’s love.
    David Fear, Rolling Stone, 13 June 2025
Noun
  • Our friends came over to hang out and the goose attacked.
    Harpers Magazine, Harpers Magazine, 18 June 2025
  • The goose wore a harness and leash with a small purple bow tie on the front.
    Molly Gibbs, Sacbee.com, 15 June 2025
Noun
  • Not everyone is feeling so cuckoo about cocoa these days.
    Shannon Carroll, Quartz, 9 Apr. 2025
  • It’s suggested to Lynskey that the difference is that Misty’s brand is cuckoo, while Shauna is effectively the eyes and the ears of the viewer.
    Todd Longwell, Variety, 2 June 2025
Noun
  • Winnie, on the other hand, is a flibbertigibbet of stream-of-consciousness.
    Han Ong, New Yorker, 22 June 2025
  • Duvall is a big reason why: All the film’s insights into the slipperiness of identity are there in her casually virtuosic, veritable dual performance, in which a funny flibbertigibbet loses hold of herself as the world around seems to splinter into something frighteningly new.
    A.A. Dowd, Vulture, 19 July 2024
Noun
  • 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
  • Besides offering a cash prize of up to $250,000, the show can help change perception of a villain or a ditz and be a springboard for their next casting.
    Shivani Gonzalez, New York Times, 23 Jan. 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

“Rattlebrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rattlebrain. Accessed 1 Jul. 2025.

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