profound Antonyms

as dumb as a post trivial superficial summary slight skin-deep simple shoal shallow sciolistic rivulet ostensible nonsensical moderate mild unsound vague weak as dumb as a doornail as dumb as a doorknob as dumb as a box of rocks as dumb as a bag of hammers unemotional uncareful feather-brained dumb as a box of rocks soughing misguided ankle-deep atonalism unimportant welkin midway limited depthless cortical careless blowy artificial approximate apparent apocryphal anomalous ambiguous alleviated airy absurd abnormal dilettante dilettanteish