Antagonistic, hostile, or unfriendly toward others; menacing
Opposed to social order or the principles of society; hostile toward society
Unwilling or unable to cooperate and associate normally with other people
An antisocial individual.
Provoking strife, controversy or discord.
One who makes specious arguments; one who is disputatious.
A type of dialogue or argument where the participants do not have any reasonable goal. The aim is to argue for the sake of conflict, and often to see who can yell the loudest.