misused

(verb) apply to a wrong thing or person; apply badly or incorrectly. Synonyms: misapply, misuse. Examples: "The words are misapplied in this context." "You are misapplying the name of this religious group."

(verb) change the inherent purpose or function of something. Synonyms: pervert, misuse, abuse. Examples: "Don't abuse the system." "The director of the factory misused the funds intended for the health care of his workers."

(adj) used incorrectly or carelessly or for an improper purpose. Synonyms: misused (vs. used). Example: "Misused words are often laughable but one weeps for misused talents."