Synonyms and related words :
blanket, brash, brazen, brazenfaced, careless, casual, crazy, foolhardy, foolish, general, hasty, heedless, hubristic, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, impetuous, impolitic, improvident, impudent, impulsive, inadvisable, inane, incautious, inconsiderate, indiscreet, indiscriminate, indiscriminative, inexpedient, injudicious, insane, insensate, insensitive, insolent, irrational, irresponsible, mad, mindless, misadvised, misguided, myopic, nonjudgmental, overbold, overcareless, overconfident, oversure, overweening, perverse, promiscuous, rash, reasonless, reckless, senseless, shortsighted, silly, tactless, temerarious, thoughtless, unadvised, unchary, unconsidered, uncritical, uncriticizing, undemanding, undifferentiating, undiscerning, undiscreet, undiscriminating, undiscriminative, unexacting, unfastidious, unforeseeing, unmeticulous, unparticular, unreasonable, unreflecting, unreflective, unseeing, unselective, unsensible, unsound, unsubtle, untactful, unthinking, unthoughtful, unwary, unwise, wholesale, witless, wrong