衰微 すいび Meanings Noun, する verb, Intransitive decline; decay; ebb Kanji 衰 decline. Read as スイ. 微 slight. Read as ビ. Example sentences 近年多くのそれぞれの地方の伝統が衰微してきている。Many local traditions have fallen into decay in recent years. Jinuma: Japanese Dictionary · Word lists