stand-in meaning

Definition of stand-in

1. someone who takes the place of another (as when things get dangerous or difficult)
   • the star had a stand-in for dangerous scenes
   • we need extra employees for summer fill-ins

   Synonyms: substitute, relief, reliever, backup, backup man, fill-in

   Type of: peer

   Kinds: locum tenens, double, surrogate

   Related forms: stand in

stand-in in a sentence

• Hawaii's volcanic activity today is a good stand-in for the conditions that existed on ancient Mars.