Abusive

1. Wrongly used; perverted; misapplied.
2. Given to misusing; also, full of abuses.
3. Practicing abuse; prone to ill treat by coarse, insulting words or by other ill usage; as, an abusive author; an abusive fellow.
4. Containing abuse, or serving as the instrument of abuse; vituperative; reproachful; scurrilous.
5. Tending to deceive; fraudulent; cheating.