stand-in Synonyms

sub substitute be a proxy surrogation switch understudy consist in 2nd backup surrogate support supply supplant supersede successor succeed succedaneum substitution standby alter ego act as stand-in act as locum act as deputy act as a substitute substitute batter take over from supercede stunt double hold the fort deputise put back pinch hitter designated hitter locum sit in fill-in backup man stand-by stand ringer exchange equivalent duplicate dummy double displace deputy deputize delegate cover