Entry 1 sense Webster, 1913 Denominational /dĭn-ômˌ-ən-āsh'-ən-əl/ · De·nom·i·na·tion·al · IPA /dɪnˌɔmənˈeɪʃənəl/ 01 a. Pertaining to a denomination, especially to a sect or society. 1. Pertaining to a denomination, especially to a sect or society.