全盛期 (ぜんせいき, zenseiki) Japanese meaning: heyday | Kotomoraと
し
て
の
全
盛
期
だっ
た
。
His thirties were his heyday as an athlete.
This town reached its golden age in the Edo period.
Usage patterns
〈人〉が全盛期を迎えるfor someone to reach their heyday/prime
He reached his prime in his early thirties.
〈人〉の全盛期が過ぎるfor someone's heyday to pass
That band's heyday has already passed.
全盛期の〈人〉someone at the height of their career/fame
At his peak, he never lost to any opponent.
全盛期を誇るto boast a heyday (of great past success)
That company once boasted the industry's greatest heyday.