rattlebrain

noun
rat·​tle·​brain | \ ˈra-tᵊl-ˌbrān How to pronounce rattlebrain (audio) \

Definition of rattlebrain

: a flighty or thoughtless person

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Other Words from rattlebrain

rattlebrained \ ˈra-​tᵊl-​ˌbrānd How to pronounce rattlebrain (audio) \ adjective

Synonyms & Antonyms for rattlebrain

Synonyms

Antonyms

  • sobersides
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Examples of rattlebrain in a Sentence

in a medical situation of this seriousness we don't need some rattlebrain running around in a panic

First Known Use of rattlebrain

1704, in the meaning defined above

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Time Traveler for rattlebrain

Time Traveler

The first known use of rattlebrain was in 1704

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Cite this Entry

“Rattlebrain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rattlebrain. Accessed 2 Mar. 2021.

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