An overindulgence in and dependence on a drug or other chemical.

(tennis) the throwing of one's racket in anger, during play, which may result in a penalty.

plural of self-abuser

(historical, euphemistic) One who self-abuses; masturbator.

Misuse of, or overindulgence in, drugs; substance abuse.

(crime) Any sexual activity that is undesired by one participant but forced on them nonetheless, especially when considered to be more sustained or frequent than an incident of sexual assault.

To abuse again.

Abuse that is repeated or perpetrated again.

Severe abuse.

(mathematics) The use of a mathematical notation in a way that is not formally correct but seems likely to simplify the exposition or suggest the correct intuition.