せいりょくかくだい 勢力拡大 LinksSentence search for 勢力拡大Sentence search for せいりょくかくだいKanji details for 勢, 力, 拡 and 大Edit in JMdict Noun1. expansion of one's sphere of influence; increase in one's power (strength, influence) Discussions Log in to talk about this word.