crackbrain

noun

crack·​brain ˈkrak-ˌbrān How to pronounce crackbrain (audio)
Synonyms of crackbrainnext
: an erratic person : crackpot
crackbrained
ˈkrak-ˈbrānd How to pronounce crackbrain (audio)
adjective

Synonyms of crackbrain

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Examples of crackbrain in a Sentence

considered a crackbrain in his own time, the artist is now recognized as a genius a crackbrain who wore bedroom slippers to the grocery shop

Word History

First Known Use

circa 1570, in the meaning defined above

Time Traveler
The first known use of crackbrain was circa 1570

Rhymes for crackbrain

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Browse Nearby Words

crackback
crackbrain
crackbrained
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Cite this Entry

“Crackbrain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crackbrain. Accessed 7 Jul. 2026.

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