[ noun, adjective sur-uh-geyt, -git, suhr-; verb sur-uh-geyt, suhr- ]
/ noun, adjective ˈsɜr əˌgeɪt, -gɪt, ˈsʌr-; verb ˈsɜr əˌgeɪt, ˈsʌr- /



regarded or acting as a surrogate: a surrogate father.
involving or indicating the use of a surrogate mother to conceive or carry an embryo: surrogate parenting.

verb (used with object), sur·ro·gat·ed, sur·ro·gat·ing.

to put into the place of another as a successor, substitute, or deputy; substitute for another.
to subrogate.

Nearby words

  1. surrender,
  2. surrender value,
  3. surreptitious,
  4. surrey,
  5. surrogacy,
  6. surrogate mother,
  7. surround,
  8. surround sound,
  9. surround theater,
  10. surrounding

Origin of surrogate

1525–35; < Latin surrogātus, assimilated variant of subrogātus; see subrogate

Related formssur·ro·gate·ship, nounsur·ro·ga·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for surrogate

British Dictionary definitions for surrogate


noun (ˈsʌrəɡɪt)

verb (ˈsʌrəˌɡeɪt) (tr)

to put in another's position as a deputy, substitute, etc
to appoint as a successor to oneself
Derived Formssurrogateship, nounsurrogation, noun

Word Origin for surrogate

C17: from Latin surrogāre to substitute; see subrogate

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for surrogate



early 15c., from Latin surrogatus, past participle of surrogare "put in another's place, substitute," from sub "in the place of, under" + rogare "to ask, propose" (see rogation). Meaning "woman pregnant with the fertilized egg of another woman" is attested from 1978 (from 1972 of animals; surrogate mother in a psychological sense is from 1971).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for surrogate


[ sûrə-gĭt, -gāt′ ]


One that takes the place of another; a substitute.
A person or an animal that functions as a substitute for another, as in a social or family role.
A figure of authority who takes the place of the father or mother in a person's unconscious or emotional life.
A surrogate mother.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.