1. noun, slang A person who is no longer successful or relevant in their career. He's just a retread with no political clout these days, a loser who lost what should have been an easy election. She had a decent following back in the day, but it's clear by the paltry audiences she draws in now that she's just a retread now.

2. adjective, slang Of or relating to such a person. Now he's just a retread coach who couldn't get a job as an assistant coach on a little-league team. It didn't instill much confidence in shareholders when they brought on board a retread VP of sales who had run two prior businesses into the ground.