brainish

adjective

brain·ish ˈbrā-nish

archaic

: impetuous, hotheaded

And in this brainish apprehension kills the unseen good old man.—

William Shakespeare

Word History

First Known Use

1530, in the meaning defined above

Time Traveler

The first known use of brainish was in 1530

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Browse Nearby Words

brainiac

brainish

brainless

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Cite this Entry

Style

“Brainish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brainish. Accessed 18 Nov. 2025.

Copy Citation

Last Updated: 4 Nov 2025 - Definition revised

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