Entry 1 sense Webster, 1913 Necromancer /nĕk'-rəm-ănˌ-sẽr/ · Nec·ro·man·cer · IPA /ˈnɛkɹəˌmænsɚ/ 01 n. One who practices necromancy; a sorcerer; a wizard. 1. One who practices necromancy; a sorcerer; a wizard.