certifiable Antonyms

as smart as a whip nonrepresentative man-made pseudo wise steady sober sensible sane right-minded rational peaceful normal lucid inauthentic all there angerless as sharp as a tack as sharp as a razor able to think quickly as pleased as punch able to think clearly awfully clever as sharp as a needle of sound mind uncertified suppositious in one's right mind right smart compos mentis litigious intelligent atypical astute assuming artificial approximate appreciative apocryphal anomalous ambiguous acute academic abnormal able-minded balanced blissful bogus inexistent fictitious