apathetic ataractic blanket blase careless casual devil-may-care disinterested dispassionate disregardful easygoing general heedless imprudent inattentive incurious indiscreet indiscriminate indiscriminating indiscriminative inexcitable insensitive insouciant lackadaisical listless mindless negligent nonchalant nonjudgmental perfunctory pococurante promiscuous reckless regardless sweeping tactless turned-off unanxious unconcerned uncritical uncriticizing undemanding undifferentiating undiscreet undiscriminated undiscriminative undistinguishing unexacting unfastidious uninterested unmeticulous unmindful unparticular unselective unsolicitous unsubtle untactful wholesale