Entry 1 sense Webster, 1913 Theomachist /thē-ŏm'ă-kĭst/ · The·om·a·chist · IPA /θiˈɑm.æ.kɪst/ 01 n. One who fights against the gods; one who resists God of the divine will. 1. One who fights against the gods; one who resists God of the divine will.