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
  • Any one of 162 games is less a sample size than a glance, and fool’s gold is ever present.
    Kansas City Star, Kansas City Star, 31 Mar. 2026
  • Don’t let the recent rain fool you.
    Ashley Miznazi, Miami Herald, 31 Mar. 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
  • Stimulus from the One Big Beautiful Bill in 2025 is projected to goose growth, with lower regulations and a boost in tax refunds that could help consumers cope with elevated prices.
    Jeff Cox, CNBC, 25 Mar. 2026
  • People decorated chicken, goose, duck and ostrich eggs, and other natural materials, such as wood.
    Elaine Rewolinski, jsonline.com, 25 Mar. 2026
Noun
  • Under the current Gateway plan, those repairs don’t happen until 2040, which is cuckoo, especially if imminent failure is feared.
    New York Daily News Editorial Board, New York Daily News, 16 Feb. 2026
  • Canada geese are protected, as well as most other geese, swans, ducks, cranes, cuckoos, hummingbirds, doves and flamingos.
    Kyle Werner, Des Moines Register, 27 Jan. 2026
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

“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 4 Apr. 2026.

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