不良行為 ふりょうこうい Meanings Noun delinquency; misdeed; misconduct; delinquent behavior Kanji 不 un-. Read as フ. 良 good. Read as リョウ. 行 go. Read as コウ. 為 deed. Read as イ. Words containing 不良行為 不良行為少年 (ふりょうこういしょうねん) juvenile delinquent Jinuma: Japanese Dictionary · Word lists