abuse - noun

cruel or inhumane treatment

a rude expression intended to offend or hurt

improper or excessive use

abuse - verb

• treat badly
• change the inherent purpose or function of something
• use foul or abusive language towards
• use wrongly or improperly or excessively

abuse - thesaurus

blackguard   clapperclaw   contumely   insult   maltreat   maltreatment   mistreat   misuse   pervert   revilement   shout   step   vilification