Definition of "Abuse" :

noun: cruel or inhumane treatment

"The child showed signs of physical abuse."

noun: improper or excessive use

"Alcohol abuse."

noun: a rude expression intended to offend or hurt

"When a student made a stupid mistake he spared them no abuse."

verb: change the inherent purpose or function of something

"Don't abuse the system."

verb: use wrongly or improperly or excessively

"Her husband often abuses alcohol."

verb: use foul or abusive language towards

"The actress abused the policeman who gave her a parking ticket."

verb: treat badly

"This boss abuses his workers."