unperceptive

not having or showing a deep understanding of something unperceptive readers failed to see that the “news story” was an elaborate put-on Synonyms impercipient, insentient, imperceptive, unwiseRelated Words undiscriminating; dense, dull, obtuse, sluggish, thickheaded; brainless, dumb, feebleminded, foolish, idiotic (also idiotical), imbecile (or imbecilic), moronic, silly, simple, slow, stupid, thoughtless, unintelligent, witlessNear Antonyms discriminating; acute, perspicacious; brainy, bright, brilliant, clever, intelligent, keen, nimble, quick, quick-witted, smart; cerebral, erudite, learned, literate, scholarly; astute, sharp, shrewd; contemplative, reflective, thoughtfulAntonyms discerning, insightful, perceptive, percipient, sagacious, sage, sapient