Synonyms

rattlebrain

American

[rat-l-breyn] / ˈræt lˌbreɪn /

noun

a giddy, empty-headed, talkative person.

Etymology

Origin of rattlebrain

First recorded in 1700–10; rattle ¹ + brain

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.

He was regarded as one of the most serious-minded youths, or perhaps the most serious-minded youth of the town, and always served as a mirror for the fathers of families, to hold up before their rattlebrain sons.

From Project Gutenberg

“I never did see such a rattlebrain.”

From Project Gutenberg

The rattlebrain'd fellow is not here, to talk us to death— He pass'd us on the road, singing & screaming, advising us to go back & learn hog latin- alias German- or dutch— We are now 41 miles from Pitt——

From Project Gutenberg

You will think me a dreadful rattlebrain!

From Project Gutenberg

Last night! went knocking round with Swizzleford and Rattlebrain.

From Project Gutenberg

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