valedictoryEnglishOxford New American Dictionaryvaledictory /ˌvaləˈdikt(ə)rē, ˌvæləˈdɪkt(ə)ri / ▸ adjective serving as a farewell: a valedictory wave. ▸ noun (plural valedictories) a farewell address: this book of memoirs reads like his valedictory.