いいせいい 以夷制夷 LinksSentence search for 以夷制夷Sentence search for いいせいいSentence search for 以夷征夷Kanji details for 以, 夷 and 制Edit in JMdict Noun1. controlling foreigners by foreigners; playing one barbarian state against anotherYojijukugo (four character compound), See also 夷を以て夷を制すOther forms以夷征夷 【いいせいい】 Discussions Log in to talk about this word.