antisocial boorish impolite indiscreet insensitive reckless rude apathetic asocial blind brash deaf discourteous egocentric hasty heedless hot-headed inattentive incautious indelicate indifferent listless madcap neglectful negligent primitive rash self-centered selfish sharp short tactless uncaring unceremonious unconcerned undiplomatic ungracious unheeding unkind unmindful unrefined