口封じ くちふうじ Meanings Noun, する verb, Transitive muzzling (someone); gagging; forcing (someone) to keep quiet (about something) silencing (someone); killing (someone) to prevent them from revealing something Kanji 口 mouth. Read as くち. 封 seal. Read as フウ. Common phrases 口封じをする 口封じに殺す Jinuma: Japanese Dictionary · Word lists