げんしょう 減少 Common word JLPT N1 LinksSentence search for 減少Sentence search for げんしょうKanji details for 減 and 少Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb, Noun which may take the genitive case particle 'no'1. decrease; reduction; declineAntonym: 増加 Discussions Log in to talk about this word.