Entry 1 sense Webster, 1913 Ineluctable · In·e·luc·ta·ble · IPA /ɪn.ɪˈlʌk.tə.bəl/ 01 a. Not to be overcome by struggling; irresistible; inescapable; inevitable. 1. Not to be overcome by struggling; irresistible; inescapable; inevitable. “The ineluctable conditions of matter.” — Hamerton.