1) Aloof 2) Antisocial 3) Dissociable 4) Insociable 5) Introversive 6) Introvertive 7) Unsocial 1) Antisocial 2) Not sociable 3) Unfriendly 4) Ungregarious 5) Unsocial 6) Withdrawn 
• (a.) Not sociable; not inclined to society; averse to companionship or conversation; solitary; reserved; as, an unsociable person or temper.
[adj] - not inclined to society or companionship
unsociable 1. Not liking or seeking the company of other people. 2. Not favoring or encouraging social interaction.
adjective not inclined to society or companionship; `an unsociable nature...shy and reserved`; `generally unsociable except with intimate friends`; `unsociable behavior`; `an unsociable neighborhood`
not sociable; having, showing, or marked by a disinclination to friendly social relations; withdrawn. · lacking or preventing social relationships: an unsociable boardinghouse.