overage
adjective uk/ˌəʊ.vəˈreɪdʒ/ us/ˌoʊ.vɚˈeɪdʒ/
超过年龄的
older than a particular age and therefore no longer allowed to do or have particular things
She had to leave the youth team when the coaches discovered she was overage. 她不能呆在青年队了，因为主教练发现她已经超龄。
Opposite: underage