maltreatEnglishOxford American Thesaurusmaltreat verb parents that maltreat their children: ill-treat, mistreat, abuse, ill-use, misuse, treat badly; handle/treat roughly, knock around, hit, beat, strike, mishandle, manhandle, maul; bully, torture, injure, harm, hurt, persecute, molest; informal beat up, rough up, do over.