Someone who is ~ behaves as if they are young or younger than they really are.
I’m a very ~ 50.
...~ enthusiasm and high spirits...
ADJ
Someone who is ~ behaves as if they are young or younger than they really are.
I’m a very ~ 50.
...~ enthusiasm and high spirits...
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012