反はん抗こう挑ちょう発はつ症しょうMeaningsNoun1. oppositional defiant disorder; OODKanji used反be against抗oppose挑challenge発let out症medical conditionComposed of反はん抗こうopposition; resistance; insubordination; defiance; hostility; rebellionNoun挑ちょう発はつprovocation; stirring up; arousal; excitement; stimulationNoun症しょうillness; condition; -pathySuffix