noun

1. 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.”

2. Misuse; improper use; perversion.

3. A delusion; an imposture; misrepresentation; deception.

Synonyms: abusio, contumely, insult, invective, opprobrium, reproach, scurrility, misuse