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
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K’Lavon Chaisson is available, too, but paying players after a breakout season is generally a fool’s errand.—
Andrew Callahan,
Boston Herald,
9 Mar. 2026 -
And only a fool cannot see that the vast majority of Iranians wanted this regime to be removed from their lives.—
The Editorial Board,
Chicago Tribune,
8 Mar. 2026
Noun
-
But no, sillies: Bradley is white, famous and pretty — no jail time for her!—
Kimberly Roots,
TVLine,
17 Sep. 2025
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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
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Central to that strategy is codename goose, Block’s internally built AI agent that sits on top of large language models to execute actions, draft emails, and automate workflows.—
Sheryl Estrada,
Fortune,
6 Mar. 2026
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The Decathlon’s 800-fill duck down is still high-loft, but costs less than the more expensive goose down.—
Maggie Slepian,
Outside,
27 Feb. 2026
Noun
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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
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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
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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
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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
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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
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Cite this Entry
“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 14 Mar. 2026.
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