四よ段だん活かつ用ようMeaningsNoun1. yodan verb conjugation; verb conjugation of classical JapaneseKanji used四four段step活activity用used forPitch accentよだんかつようComposed of四よfour; 4Numeric段だんstep; stair; rung; (flight of) steps; shelf; layer; tier; grade; level; class; …Noun活かつ用ようpractical use; application; making good use of; putting to good use; capitalizing on; conjugation; inflectionNoun