What is the meaning of abused?

verb

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

adjective

• Used improperly or excessively especially drugs.
  • usage: "an abused substance"
• Subjected to cruel treatment.
  • usage: "an abused wife"
  • synonyms: ill-treated, maltreated, mistreated