identification

noun

iden·​ti·​fi·​ca·​tion ī-ˌden-tə-fə-ˈkā-shən How to pronounce identification (audio)
ə-
Synonyms of identificationnext
1
a
: an act of identifying : the state of being identified
Police made a positive identification of the suspect.
b
: evidence of identity
need to show identification before boarding the flight
2
a
: psychological orientation of the self in regard to something (such as a person or group) with a resulting feeling of close emotional association
b
: a largely unconscious process whereby an individual models thoughts, feelings, and actions after those attributed to an object that has been incorporated as a mental image

Examples of identification in a Sentence

A member of the family was brought in for identification of the body. The birds are tagged for easy identification. The police have made a positive identification of the suspect. You need two forms of identification. the movie audience's identification with the good guys
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The finding also marks the first identification of this type of carbon in Martian mudstones outside Gale Crater, where NASA’s Curiosity rover continues to explore. Aamir Khollam, Interesting Engineering, 25 June 2026 Following the identification, the Israeli Air Force and the soldiers struck the terrorists in order to remove the threat. June 24, CBS News, 24 June 2026 Under current laws, many Americans need to present some form of identification to register to vote. Zachary Schermele, USA Today, 24 June 2026 The president is holding up the bill until Congress passes the SAVE America Act, which would impose restrictions on voter identification and mail-in voting. Jacqueline Munis, Fortune, 24 June 2026 See All Example Sentences for identification

Word History

First Known Use

1644, in the meaning defined at sense 1a

Time Traveler
The first known use of identification was in 1644

Browse Nearby Words

Cite this Entry

“Identification.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identification. Accessed 27 Jun. 2026.

Kids Definition

identification

noun
iden·​ti·​fi·​ca·​tion ī-ˌdent-ə-fə-ˈkā-shən How to pronounce identification (audio)
ə-ˌdent-
1
: an act of identifying : the state of being identified
2
: evidence of identity
carry identification at all times

Medical Definition

identification

noun
iden·​ti·​fi·​ca·​tion ī-ˌdent-ə-fə-ˈkā-shən, ə- How to pronounce identification (audio)
1
: an act of identifying : the state of being identified
2
a
: psychological orientation of the self in regard to something (as a person or group) with a resulting feeling of close emotional association
b
: a largely unconscious process whereby an individual models thoughts, feelings, and actions after those attributed to an object that has been incorporated as a mental image
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster