1) 活発化かっぱつか Parts 活発 化 #36,183 Inflections of 活発化 Class Suru verb Stem Inflected ending ✕ Link copied! かっぱつか [0] Meaning Shirabe Noun Suru verb Transitive verb Intransitive verb becoming active; increase in activity Kanji 活 カツ lively, resuscitation, being helped 発 ハツ departure, discharge, publish 化 カ change, take the form of, influence Forms 活発化#36,183活発化かっぱつかかっぱつかかっぱつか