S: (v) pervert, misuse, abuse (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"
S: (v) abuse, clapperclaw, blackguard, shout (use foul or abusive language towards) "The actress abused the policeman who gave her a parking ticket"; "The angry mother shouted at the teacher"
S: (v) abuse (use wrongly or improperly or excessively) "Her husband often abuses alcohol"; "while she was pregnant, she abused drugs"
Adjective
S: (adj) abused (used improperly or excessively especially drugs) "an abused substance"