全ぜん盛せい期きぜんせいきFreq.FrequencyTop 20,000Meanings1nounheyday; golden age; primeRefers to the period when someone or something is at its peak of power, popularity, or prosperity.彼かれは30代だいが選せん手しゅとしての全ぜん盛せい期きだった。His thirties were his heyday as an athlete.
