One who abuses someone or something. / (obsolete) One who uses in an illegal or wrongful use.

plural of abuser

(rare) Full of abuse; abusive.

In an abusive manner; rudely; with abusive language.

Capable of being abused.

The quality of being abusive; rudeness of language, or violence to the person.

(obsolete) Misuse, abuse. / (obsolete) Abuse of the truth; deceit, lying. / (obsolete) Violation of law or propriety; outrage, improper behaviour. / (obsolete) Catachresis.

Prone to treat someone badly by coarse, insulting words or other maltreatment; vituperative; reproachful; scurrilous. / (obsolete) Tending to deceive; fraudulent.

Improper treatment or usage; application to a wrong or bad purpose; an unjust, corrupt or wrongful practice or custom. / Misuse; improper use; perversion.

(transitive) To put to a wrong use; to misapply; to use improperly; to misuse; to use for a wrong purpose or end; to pervert