half-brained

English

Etymology

From half +‎ brained.

Adjective

half-brained (not comparable)

  1. Exhibiting low intelligence, as if having only half a brain.
    Synonyms: brainless, half-witted, hare-brained; see also Thesaurus:stupid
    Antonyms: brainy; see also Thesaurus:intelligent
    Coordinate terms: half-hearted, half-assed
    The manager's half-brained plan led to disaster when carried out.