優ゆう先せん取とり組くみ物ぶっ質しつMeaningsNoun1. substances requiring priority action (with regard to environmental issues); priority substanceOther spellings優ゆう先せん取とり組くみ物ぶっ質しつUsage share unknownKanji used優gentle先before (timewise)取take組organized group物thing質qualityComposed of優ゆう先せんpreference; priority; precedence; right of wayNoun取とり組くみeffort; initiative; dealing with; grappling with; wrestling with; bout (in sports, etc.); matchNoun物ぶっ質しつmaterial; substance; matterNoun