an·ti·so·cial /ˌæntɪˈsəʊʃ ə l $ -ˈsoʊ-/ BrE AmE adjective
1 . antisocial behaviour is violent or harmful to other people, or shows that you do not care about other people:
She was finding it hard to cope with her son’s increasingly antisocial behaviour.
Smoking is an antisocial habit.
2 . someone who is antisocial does not enjoy meeting or being with other people OPP sociable :
If I don’t go tonight, everyone will accuse me of being antisocial.
3 . an activity or job that is antisocial does not give you the chance to meet other people SYN unsocial :
I got fed up with the low pay and antisocial hours.