From Longman Dictionary of Contemporary Englishwarmongerwar‧mon‧ger /ˈwɔːˌmʌŋɡə $ ˈwɔːrˌmɑːŋɡər, -ˌmʌŋ-/ noun [countable] PMPGOsomeone, especially a politician, who wants people to start fighting or start a war – used to show disapproval —warmongering adjective, noun [uncountable]
Examples from the Corpus
warmonger• Despite the beliefs of foreigners, he had not really been a warmonger.• James Madison, who was burdened with the War of 1812, was branded as both a warmonger and a coward.• We're not warmongers, but liberationists.• Some saw him as a great statesman, but others saw him as a ruthless warmonger.• You know ... as I do ... that the Prussians have always been the warmongers. 