Similar word to antisocial:
alienated, ascetic, asocial, austere, cold, cynical, eremetic, hermitlike, introverted, misanthropic, reclusive, remote, reserved, retiring, solitary, standoffish, uncommunicative, unfriendly, unsociable, withdrawn
alienated, ascetic, asocial, austere, cold, cynical, eremetic, hermitlike, introverted, misanthropic, reclusive, remote, reserved, retiring, solitary, standoffish, uncommunicative, unfriendly, unsociable, withdrawn