Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun surrogate

2 senses of surrogate

Sense 1
surrogate, alternate, replacement -- (someone who takes the place of another person)
       => stand-in, substitute, relief, reliever, backup, backup man, fill-in -- (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")

Sense 2
deputy, surrogate -- (a person appointed to represent or act on behalf of others)
       => agent -- (a representative who acts on behalf of other persons or organizations)

Antonyms of adj surrogate

1 sense of surrogate

Sense 1
foster, surrogate -- (providing or receiving nurture or parental care though not related by blood or legal ties; "foster parent"; "foster child"; "foster home"; "surrogate father")

INDIRECT (VIA adoptive) -> biological -- (of parents and children; related by blood; "biological child")

Similarity of adj surrogate

1 sense of surrogate

Sense 1
foster, surrogate -- (providing or receiving nurture or parental care though not related by blood or legal ties; "foster parent"; "foster child"; "foster home"; "surrogate father")
       => adoptive (vs. biological) -- (of parents and children; related by adoption; "adoptive parents")