AskDefine | Define surrogate

Dictionary Definition

surrogate adj : providing or receiving nurture or parental care though not related by blood or legal ties; "foster parent"; "foster child"; "foster home"; "surrogate father" [syn: foster]


1 someone who takes the place of another person [syn: alternate, replacement]
2 a person appointed to represent or act on behalf of others [syn: deputy]

User Contributed Dictionary



From surrogatus, perfect passive participle of surrogare; a variant of subrogare, from sub + rogare.



  1. A substitute (usually of a person, position or role).
  2. A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate mother.
  3. In the context of "chiefly|UK": A deputy for a bishop in granting licences for marriage.
  4. : A judicial officer of limited jurisdiction, who administers matters of probate and intestate succession and, in some cases, adoptions.
  5. A surrogate or surrogate key is a unique identifier for either an entity in the modeled world or an object in the database.


A substitute
A person or animal that acts as a subsitute for another
A deputy for a bishop in granting licences for marriage
US law: A judicial officer of limited jurisdiction
Translations to be checked


  1. Of, concerning, relating to or acting as a substitute.


  1. replace or substitute something with something else; appoint a successor.



  1. Feminine plural form of surrogato

Extensive Definition

Surrogate (from Lat. subrŏgare, to substitute for) may refer to:

Synonyms, Antonyms and Related Words

advocate, agent, alter ego, alternate, alternative, amicus curiae, analogy, attorney, backup, backup man, champion, change, changeling, comparison, copy, counterfeit, deputy, double, dummy, equal, equivalent, ersatz, exchange, executive officer, exponent, fake, father figure, father image, figurehead, fill-in, ghost, ghostwriter, imitation, lieutenant, locum, locum tenens, makeshift, metaphor, metonymy, mother figure, mother surrogate, next best thing, paranymph, personnel, phony, pinch hitter, pleader, procurator, proxy, relief, replacement, representative, reserves, ringer, second in command, second string, secondary, sign, spares, stand-in, sub, substituent, substitute, substitution, succedaneum, superseder, supplanter, symbol, synecdoche, third string, token, understudy, utility man, utility player, vicar, vicar general, vice, vice-president, vice-regent, vicegerent
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