Improper treatment or usage; application to a wrong or bad purpose; an unjust, corrupt or wrongful practice or custom.

"All abuse, whether physical, verbal, psychological or sexual, is bad."

Misuse; improper use; perversion.

A delusion; an imposture; misrepresentation; deception.

Coarse, insulting speech; abusive language; language that unjustly or angrily vilifies.

Catachresis.

Physical maltreatment; injury; cruel treatment.

Violation; defilement; rape; forcing of undesired sexual activity by one person on another, often on a repeated basis.

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

"He abused his authority."

To injure; to maltreat; to hurt; to treat with cruelty, especially repeatedly.

To attack with coarse language; to insult; to revile; malign; to speak in an offensive manner to or about someone; to disparage.

To imbibe a drug for a purpose other than it was intended; to intentionally take more of a drug than was prescribed for recreational reasons; to take illegal drugs habitually.

To violate; defile; to rape.

Misrepresent; adulterate.

To deceive; to trick; to impose on; misuse the confidence of.

Disuse.