きゅうぞう 急増 Common word Wanikani level 21 Play audio LinksSentence search for 急増Sentence search for きゅうぞうKanji details for 急 and 増Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb1. rapid increase; sharp rise; proliferation; surge; explosionAntonym: 急減 Discussions Log in to talk about this word.