Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Adjective: unintelligent  ,ún-in'te-li-junt
  1. Lacking intelligence
    "a dull job with lazy and unintelligent co-workers";
    - stupid

See also: brainless, daft [Brit, informal], dumb, foolish, headless, imbecile, imbecilic, intelligence, mentally retarded, stupid, unacademic

Encyclopedia: Unintelligent