warmonger UK /ˈwɔː.mʌŋ.ɡə/US /ˈwoɹˌmɑŋ.ɡɚ/noun 2verb 1forms 3 noun2 •Someone who advocates war to an enthusiastic or ardent degree.Wham! Overnight he [Dwight D. Eisenhower] became a warmonger. — 1952 •A mercenary soldier. verb1 •(disapproving) To advocate war.Harmsworth's Daily Mail had warmongered for over twenty years. — 2002 formswarmongered · warmongering · warmongers