as in featherbrain
a silly flighty person
in a medical situation of this seriousness we don't need some rattlebrain running around in a panic
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for rattlebrain
Noun
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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 -
Some more sillies from last night’s GRAMMY nominees reception.—
Kimberlee Speakman,
People.com,
4 Feb. 2025
Noun
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So, no, the Heat coach does not view hope amid this latest 1-6 run as a fool’s errand.—
Ira Winderman,
Sun Sentinel,
25 Feb. 2025
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The uncertainty means that while there has been a degree of recovery in the TV market, planning too far ahead is a fool’s errand.—
Jesse Whittock,
Deadline,
24 Feb. 2025
Noun
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Best Deal: Quince Luxe Goose Down Pillow Luxe Goose Down Pillow $313 $120 Quince Pillow reviewer: Katherine McLaughlin, digital features editor Materials and firmness: The pillow is filled with white goose down and has a 100% cotton sateen shell.—
Julia Harrison,
Architectural Digest,
20 Feb. 2025
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This $189 coat is filled with 700-fill-power goose down to keep you warm without adding unnecessary bulk to your carry-on.—
Genevieve Cepeda,
Travel + Leisure,
16 Feb. 2025
Noun
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In a signature segment, the Joke Wall, performers in mod regalia poked their heads out of holes in a set, like cuckoos emerging from a clock, and spouted one-liners.—
Susan Morrison,
The New Yorker,
13 Jan. 2025
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Egg laying behavior of common cuckoos (Cuculus canorus): Data based on field video-recordings The New York Academy of Sciences.—
Cody Cottier,
Discover Magazine,
28 Jan. 2025
Noun
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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
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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.—
Maureen Lee Lenker,
EW.com,
24 Jan. 2023
Noun
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Instead, she was cast as the lovable ditz on Nickelodeon’s Victorious, which unexpectedly thrust her to a kind of teen idol status.—
Lacey Rose,
The Hollywood Reporter,
3 Sep. 2019
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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
“Rattlebrain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rattlebrain. Accessed 13 Mar. 2025.
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