Brainy and Preposterous

Opposite meaning words

Brainy adjective - Having or showing quickness of mind.

Usage example: a brainy student who didn't fit in socially

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Preposterous is an antonym for brainy.

Nearby Words: brain, brainless, brained, braining

Preposterous adjective - Showing or marked by a lack of good sense or judgment.

Usage example: a preposterous suggestion to go swimming in this freezing weather

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Brainy is an antonym for preposterous.

Cite this Source

Preposterous and Brainy. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/brainy/preposterous

Brainy & Preposterous. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/brainy/preposterous>.

Preposterous or Brainy. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/brainy/preposterous.

Google Ngram Viewer shows how "brainy" and "preposterous" have occurred on timeline