Abusive
Part of speech: adjective
Definition: Wrongly used; perverted; misapplied. Given to misusing; also, full of abuses. Practicing abuse; prone to ill treat by coarse, insulting words or by other ill usage; as, an abusive author; an abusive fellow. Containing abuse, or serving as the instrument of abuse; vituperative; reproachful; scurrilous. Tending to deceive; fraudulent; cheating.
Harmful
Part of speech: adjective
Definition: of a kind likely to be damaging; injurious
Example sentence: Smoking is hateful to the nose, harmful to the brain, and dangerous to the lungs.