(transitive) To treat someone, or something roughly or badly.

simple past tense and past participle of mistreat

present participle of mistreat

Third-person singular simple present indicative form of mistreat

Cruel, abusive , bad, unfair, or thoughtless treatment of a person or animal (only rarely of an object or a machine; usually: mishandle).

plural of mistreatment

A person who mistreats.

plural of mistreater