noun
jingoism
Aggressive, bellicose patriotism; often used in political or historical contexts.
彼の演説はジンゴイズムに満ちていた。
His speech was full of jingoism.
排外主義 focuses on xenophobia or exclusion of foreigners, whereas ジンゴイズム emphasizes belligerent foreign policy.
Loanword from English 'jingoism', derived from the phrase 'by Jingo' in a 19th-century British music-hall song that advocated aggressive foreign policy.