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