CHASTISE Meaning of CHASTISE in English v.tr. 1. rebuke or reprimand severely. 2 punish, esp. by beating. Derivatives: chastisement n. chastiser n. Etymology: ME, app. irreg. formed f. obs. verbs chaste, chasty: see CHASTEN Oxford English vocab. Оксфордский английский словарь. 2012