'Mistreatment' definitions:
Definition of 'mistreatment'
(from WordNet)
noun
The practice of treating (someone or something) badly; "he should be punished for his mistreatment of his mother"
Definition of 'Mistreatment'
From: GCIDE
- Mistreatment \Mis*treat"ment\, n. Wrong treatment. [1913 Webster]