いせい 威勢よく LinksSentence search for 威勢よくSentence search for いせいよくSentence search for 威勢良くKanji details for 威 and 勢Edit in JMdict Adverb (fukushi)1. with energy; vigorously; cheerfully; assertively; lustilyOther forms威勢良く 【いせいよく】 Discussions Log in to talk about this word.