Brainy
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crazy, insane, nonintellectual, fool, cuckoo, bubbleheaded, moronic, dull, uneducated, dim-witted, dim, dotty, lowbrow, loony, kooky, dunderheaded, thickheaded, wacky, brainless, stupid, Daffy, crackpot, half-witted, half-baked, empty-headed, harebrained, lunatic, dopey, lamebrain, obtuse, witless, airheaded, gormless, Weak-minded, balmy, boneheaded, silly, slow, thick-witted, unsmart, ignorant, unintellectual, illiterate, preposterous, screwball, cockeyed, uninformed, daft, asinine, absurd, doltish, mad, soft, nonsensical, simple, softheaded, slow-witted, Chuckleheaded, fatuous, tomfool, dippy, zany, birdbrained, foolish, thick, mindless, idiotic, feebleminded, unintelligent, untaught, dumb, nutty, simpleminded, imbecile, opaque, unthinking, dorky, sappy, dense, unwise, pinheaded, lunkheaded, senseless, featherheaded, brain dead, vacuous.