reliever Meaning, Definition & Usage

1. noun someone who takes the place of another (as when things get dangerous or difficult)
   stand-in; fill-in; substitute; relief; backup; backup man.
   
   • the star had a stand-in for dangerous scenes
   • we need extra employees for summer fill-ins
2. noun a person who reduces the intensity (e.g., of fears) and calms and pacifies
   comforter; allayer.
   
   • a reliever of anxiety
   • an allayer of fears
3. noun a pitcher who does not start the game
   relief pitcher; fireman.
   

WordNet