Percipient
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impractical, unbelievable, quiet, uncognizant, senseless, heedless, unskilled, unaware, undiscriminating, foolish, improbable, Disregardful, stupid, undiscerning, indiscreet, unlikely, ignorant, idiotic, unsound, uninformed, not deliberate, unknowing, kind, inexperienced, dubious, unstylish, expensive, thoughtless, careless, unconfident, unintelligent, nonsensical, impassive, poor, silent, unrealistic, unwise, unintentional, doubtful, negligent, unresponsive, unconscious, dense, unknowledgeable, inattentive, Imperceivable, unfeeling, insensitive, outrageous, intolerable, implausible, dull, lazy, uncertain, unreasonable, unobservant, irrational, indifferent, neglectful, unmindful, slow, unstudied, unsure, overlooking, unperceptive.