全盛期(ぜんせいき)

ぜんせいき
noun
golden age, heyday, peak
time-period
1. golden age, heyday, peak, prime
The period when someone or something is at the height of their power, popularity, or success. Used for people, organizations, cultures, and industries.
彼(かれ)は今(いま)が全盛期(ぜんせいき)だ。
He is at the peak of his career right now.
あのバンドの全盛期(ぜんせいき)は90年代(ねんだい)だった。
That band's heyday was in the 90s.
全盛期(ぜんせいき)を過(す)ぎたとはいえ、彼女(かのじょ)の演技力(えんぎりょく)はまだまだ健在(けんざい)だ。
Even though her prime has passed, her acting ability is still going strong.

全盛期(ぜんせいき) is a compound of 全盛(ぜんせい) (full flourishing) + 期(き) (period). It describes the time when someone or something is at the height of power, popularity, or success.

Common collocations

Usage

Can refer to athletes, musicians, companies, historical empires, or any entity that had a definable peak period. Often used with a nostalgic or retrospective tone.

Similar words

  • ピーク: peak (loanword, more casual; also used for non-temporal peaks like traffic)
  • 絶頂期(ぜっちょうき): zenith, pinnacle (stronger emphasis on the very top)
  • 最盛期(さいせいき): period of greatest prosperity (very similar; slightly more formal)

Related Words

Synonym: 最盛期(さいせいき) (period of greatest prosperity)
Compare: ピーク (peak (loanword, more casual)
Compare: 絶頂(ぜっちょう) (peak, summit, climax, zenith)
general
Added 2026.2.18 3:36 · Revised 2026.9.2 13:01
11500/11644_zenseiki