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 simple style fool you, though, because the ultra-soft foam insoles provide solid arch support.—
Caitlyn Fitzpatrick,
PEOPLE,
9 June 2026 -
Brute-forcing the one-time code for a single account—meaning iterating through every possible combination until the right one is entered—would be little more than a fool’s errand, even within the three-hour window that the codes remained valid.—
Ashley Belanger,
ArsTechnica,
4 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
-
While there’s no denying that gooseneck loosestrife (Lysimachia clethroides) is a charming plant with sweet white flowers that resemble a goose's neck, it's also widely recognized as a troublesome invasive.—
Samantha Johnson,
Martha Stewart,
7 June 2026
-
This typically gets worse over time and is often accompanied by a harsh goose-honking cough triggered by excitement or exercise.—
The Washington Post,
San Diego Union-Tribune,
30 May 2026
Noun
-
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
-
The Thunder’s main stopper is cuckoo for closeouts.—
Fred Katz,
New York Times,
2 Apr. 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
-
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
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Cite this Entry
“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 14 Jun. 2026.
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