oppositional defiant disorder

op·po·si·tion·al de·fi·ant disorder

noun
\ˌäp-ə-ˈzish-nəl-di-ˈfī-ənt-, -ən-^əl-\

Definition of OPPOSITIONAL DEFIANT DISORDER

: a disruptive behavior pattern of childhood and adolescence characterized by defiant, disobedient, and hostile behavior especially toward adults in positions of authority—abbreviation ODD