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
  • The documentary shows a video that was uploaded to TikTok of Valencia fans chanting at Vinicius Jr, with the transcription as ‘mono’ (monkey) rather than ‘tonto’ (fool).
    Guillermo Rai, New York Times, 30 Sep. 2025
  • Don’t let its compact size fool you, though.
    Jordyn Burrell, Travel + Leisure, 28 Sep. 2025
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
  • Of course, designer decanters, like one by DIOR shaped like a goose, sells for $550.
    John Mariani, Forbes.com, 8 Sep. 2025
  • Marie realizes Danny was the roadblock, so why give up the goose?
    Pete Hammond, Deadline, 6 Sep. 2025
Noun
  • Brood parasites such as cuckoos lay their eggs in other birds’ nests, tricking the hosts into caring for their offspring at the expense of their own.
    Matthew Martin, semafor.com, 6 Oct. 2025
  • But this cuckoo take is not how childhood vaccinations go in routine well-baby doctor's visits.
    ArsTechnica, ArsTechnica, 24 Sep. 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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“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 8 Oct. 2025.

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