an•ti•so•cial adj.
1.shunning the society of others; not sociable.
2.Hostile to or disruptive of the established social order; marked by or engaging in behavior that violates accepted mores: gangs engaging in vandalism and other antisocial behavior.
3.Antagonistic toward or disrespectful of others; rude.
a•so•cial adj.
1.Not social: "Bears are asocial, secretive animals" (David Graber).
2.Avoiding or averse to the society of others; not sociable: "It's not that you're so asocial, but a man who likes people doesn't wind up in the Antarctic" (Saul Bellow).
3.Unable or unwilling to conform to normal standards of social behavior; antisocial: "crime, riots, drug use and other asocial behavior" (Derek Shearer).
4.Inconsiderate of others; self-centered
Are you going with #2 for antisocial.