· a person or thing that takes or can take the place of another
Synonym(s): replacement
Hypernym(s): equivalent
· an athlete who plays only when a starter on the team is replaced
Synonym(s): reserve, second-stringer
· 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"
Synonym(s): stand-in, relief, reliever, backup, backup_man, fill-in
Hypernym(s): peer, equal, match, compeer
· put in the place of another; switch seemingly equivalent items; "the con artist replaced the original with a fake Rembrandt"; "substitute regular milk for fat-free milk"; "synonyms can be interchanged without a changing the context's meaning"
Synonym(s): replace, interchange, exchange
Hypernym(s): change, alter, modify
· be a substitute; "The young teacher had to substitute for the sick colleague"; "The skim milk substitutes for cream--we are on a strict diet"
Synonym(s): sub, stand_in, fill_in
Hypernym(s): exchange, change, interchange
· act as a substitute; "She stood in for the soprano who suffered from a cold"
Synonym(s): deputize, deputise, step_in
Hypernym(s): supplant, replace, supersede, supervene_upon
· capable of substituting in any of several positions on a team; "a utility infielder"
Synonym(s): utility
· serving or used in place of another; "an alternative plan"
Synonym(s): alternate, alternative
· artificial and inferior; "ersatz coffee"; "substitute coffee"
Synonym(s): ersatz