Shrewd
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simpleminded, forthright, moronic, inept, uninformed, impressionable, unworldly, honest, plainspoken, unthinking, unstylish, stupid, dull, feebleminded, obvious, frivolous, imbecile, thoughtless, balmy, gentle, slow, unwise, mild, unreasonable, patent, naive, trustful, childlike, brain dead, unintelligent, undiscerning, ignorant, idiotic, unconcealed, unknowing, soft, blind, unclever, stolid, blunt, foolish, frank, open, unstudied, Undesigning, unvarnished, shallow, public, silly, direct, senseless, real, obtuse, plain, soothing, outspoken, unforced.