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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Being a gent or a supplicant wasn’t the same as being a fool, though.
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Don’t let the simple style fool you, though, because the ultra-soft foam insoles provide solid arch support.
Noun
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But no, sillies: Bradley is white, famous and pretty — no jail time for her!
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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.
Noun
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The list goes on, though; roast goose and crispy fried pigeon star on the menu at The Legacy House, and stylish couples swish into DarkSide for live jazz even on most evenings.
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Organic cotton and goose down in three firm varieties mean there’s a suitable fill for stomach, back, and side sleepers alike.
Noun
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My favorite depictions of this city know its real history is too cuckoo to capture sincerely; straight reenactments make the production of 35mm masterpieces look as piddly as Shrinky Dinks.
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One page has handbag ideas, and, true to form, there is a cuckoo-clock purse, a pyramid purse, a purse shaped as a well.
Noun
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Winnie, on the other hand, is a flibbertigibbet of stream-of-consciousness.
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Projects about Monroe have handled her personal life to varying degrees of success, often leaning into her flibbertigibbet persona, her struggles with addiction, and the paradox of her oozing sexuality and her little girl brokenness.
Noun
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There’s a tramp, a ditz, a bad boss, a hippie, a by-the-book good girl.
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“Featherbrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/featherbrain. Accessed 5 Jul. 2026.
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