abuse in WordNet English dictionary

1. improper or excessive use
   "alcohol abuse"; "the abuse of public funds"
   misuse  abuse 
   
2. cruel or inhumane treatment
   "the child showed signs of physical abuse"
   maltreatment  ill-treatment  ill-usage  abuse 
   
3. a rude expression intended to offend or hurt
   "when a student made a stupid mistake he spared them no abuse"; "they yelled insults at the visiting team"
   abuse  insult  revilement  contumely  vilification 
   

1. change the inherent purpose or function of something
   "Don't abuse the system"; "The director of the factory misused the funds intended for the health care of his workers"
   pervert  misuse  abuse 
   
2. use wrongly or improperly or excessively
   "Her husband often abuses alcohol"; "while she was pregnant, she abused drugs"
   abuse 
   
3. use foul or abusive language towards
   "The actress abused the policeman who gave her a parking ticket"; "The angry mother shouted at the teacher"
   abuse  clapperclaw  blackguard  shout 
   
4. treat badly
   "This boss abuses his workers"; "She is always stepping on others to get ahead"
   mistreat  maltreat  abuse  ill-use  step  ill-treat