Entry 1 sense Webster, 1913 Enthrall · En·thrall · IPA /ɪnˈθɹɔːl/ 01 v. t. To hold in thrall; to enslave. See Inthrall. 1. To hold in thrall; to enslave. See Inthrall. See: Inthrall “The bars survive the captive they enthrall.” — Byron.