全盛期 ぜんせいき Meanings Noun heyday; golden age Kanji 全 all. Read as ゼン. 盛 heap up. Read as セイ. 期 period. Read as キ. Example sentences どんな犬にも全盛期がある。Every dog has his day. この流行もかつては全盛期があった。This fashion has had its day. 誰にも一度は全盛期がある。Every dog has his day. ルネッサンス時代、ベニスの芸術は全盛期を迎えていました。Art was in its golden age in Venice during the Renaissance. Jinuma: Japanese Dictionary · Word lists