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Synonyms

rattlebrained

American  
[rat-l-breynd] / ˈræt lˌbreɪnd /

adjective

  1. foolish; flighty; scatterbrained.

Etymology

Origin of rattlebrained

First recorded in 1710–20; rattle 1 + brain + -ed 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She was a rattlebrained fool who would undoubtedly giggle and take it as a great joke when the Cauldron-Born came for him.

From Literature

Why, Jack, Jack, what a thoughtless, rattlebrained chap you are.

From Project Gutenberg

Through a rattlebrained friend of theirs, one Nancy Spencer, they agree to take a boy from the Hopeton Orphanage.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.