Intelligent
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Thick-headed, dull, stupid, lowbrow, pinheaded, nonrational, groundless, incautious, clumsy, uninformed, naive, unintellectual, fallacious, unreasoning, normal, awkward, foolish, uncreative, uninventive, unreasonable, feebleminded, uneducated, nonthinking, unresourceful, heedless, typical, rash, naif, idiotic, nonintellectual, improvident, illogical, careless, zany, kooky, unaware, old, vacuous, senseless, dark, unimaginative, unintelligent, invalid, moronic, imbecile, shortsighted, brain dead, ignorant, bungling, empty-headed, unthinking, worn.