The phrase "aging star" refers to a celestial object, usually a large ball of hot gas called a star, that is getting old and nearing the end of its life cycle. Full definition
She was part of an American team full of injured and aging stars in need of a new and transcendent face on which to project its future. (si.com)
Asensio could be an ideal long - term replacement for David Silva in that creative midfield role, but Real surely won't risk losing such a top youngster after the sloppy performances of ageing stars like Cristiano Ronaldo and Karim Benzema this season. (caughtoffside.com)
There are those around the NFL who say that the Kansas City Chiefs are running a halfway house for aging stars on their way down. (si.com)