Entry 1 sense Webster, 1913 Warmonger /wôr'-mängˌ-gẽr/ · War·mon·ger · IPA /ˈwoɹˌmɑŋ.ɡɚ/ 01 n. One who makes ar a trade or business; a mercenary. 1. One who makes ar a trade or business; a mercenary.[R.]