underbrained

English

Etymology

From under- +‎ brained.

Pronunciation

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Adjective

underbrained (comparative more underbrained, superlative most underbrained)

1. Lacking intelligence.
   • Newton Mackintosh, Lucy Lake

     Poor Lucy Lake was overgrown, / But somewhat underbrained. / She did not know enough, I own, / To go in when it rained.

   • 2000, W. R. Thompson, Infiltrator:

     I hope that even a species as underbrained as yours can understand that survival is a very good idea.

   Synonyms: see Thesaurus:stupid