identity

English

Etymology

Middle French identité, from Latin idem (“the same”). See identical and idem.

Pronunciation

(General American) IPA^(key): /aɪˈdɛɾ̃əɾi/, /aɪˈdɛɾ̃ɪɾi/, [aɪˈdɛnəɾi], [aɪˈdɛnɪɾi]
(Received Pronunciation) IPA^(key): /aɪˈdɛntɪti/
(General Australian) IPA^(key): /aɪˈdɛntəti/
- Audio (AU) (file)

Noun

identity (countable and uncountable, plural identities)

Sameness, identicalness; the quality or fact of (several specified things) being the same.
- 1997, “Hydrothermal Vent Fauna”, in Advances in Marine Biology: The Biogeography of the Oceans, page 111:
  […] suggesting the two are different stages of the same species. The identity of the two species is further suggested by allozyme analysis […]
The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themself.
I've been through so many changes, I have no sense of identity.
This nation has a strong identity.
(The addition of quotations indicative of this usage is being sought:)
A name or persona—a mask or appearance one presents to the world—by which one is known.
This criminal has taken on several identities.
In this show, the competitor's identity will remain secret until after the vote.
(mathematics) An equation which always holds true regardless of the choice of input variables.
The equation (x+y)(x−y) = x²−y² is an algebraic identity. It is true regardless of the values of x and y.
(algebra, computing) Any function which maps all elements of its domain to themselves.
(algebra) An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.
(Australia, New Zealand) A well-known or famous person.
- 1887 July 19, “Drowned at Williamstown”, in The Age‎:
  The body of a well known old identity named James Conroy […] was found in the water yesterday afternoon…
- 2013 April 4, "Cricket identities consult lawyers", New Zealand Herald
- 2016 January 13, "Kings Cross identities arrested in connection with murder", The Sydney Morning Herald

Synonyms

(sameness): See also Thesaurus:sameness
(difference that marks off an individual): individuality, selfhood; see also Thesaurus:selfhood
(mathematical function): identity function
(famous person): celebrity, personality

Hyponyms

additive identity
gender identity
left identity
mistaken identity
multiplicative identity
personal identity
principal identity
quasiidentity
right identity
superidentity

Derived terms

identity card
identity of indiscernibles
identity police
identity politics
identity property
identity theft
law of identity

Related terms

Terms etymologically related to "identity"

identic
identical
identification
identify

Translations

the sameness some individuals share to make up the same kind or universal

Arabic: مُطَابَقَة‎ f (muṭābaqa)
Armenian: please add this translation if you can
Bashkir: үҙаң (üðaŋ)
Bulgarian: еднаквост (bg) f (ednakvost)
Catalan: identitat (ca) f
Chinese:
Mandarin: 個性／个性 (zh) (gèxìng), 身分 (zh) (shēnfen), 身份 (zh) (shēnfen)
Czech: totožnost f, identita (cs) f
Dutch: identiteit (nl) f
Finnish: yhtäläisyys (fi), samuus (fi), identtisyys (fi), identiteetti (fi)
French: identité (fr) f
Galician: identidade (gl) f
German: Identität (de) f, Gleichheit (de) f, Übereinstimmung (de)
Greek: ταυτότητα (el) f (taftótita)
Hebrew: זהות‎ (he) f
Hungarian: azonosság (hu)
Irish: ionannas m
Italian: identità (it)
Japanese: 同一 (ja) (どういつ, dōitsu)
Latvian: tāpatība f
Macedonian: идентитет m (identitet)
Maltese: identità f
Norwegian:
Bokmål: identitet m
Nynorsk: identitet m
Polish: tożsamość (pl) f
Portuguese: identidade (pt) f
Romanian: identitate (ro) f
Russian: тожде́ственность (ru) f (toždéstvennostʹ), иденти́чность (ru) f (idɛntíčnostʹ)
Scottish Gaelic: ionannachd f
Spanish: identidad (es) f
Tagalog: kasiyangaan
Thai: เอกลักษณ์
Ukrainian: іденти́чність (uk) (identýčnistʹ), тото́жність (totóžnistʹ)
Vietnamese: tính đồng nhất

the difference or character that marks off an individual or group from the rest

Arabic: هُوِيَّة‎ f (huwiyya)
Armenian: please add this translation if you can
Azerbaijani: kimlik
Bashkir: үҙаң (üðaŋ)
Basque: nortasuna
Bulgarian: индивидуалност (bg) f (individualnost)
Chinese:
Mandarin: 同一性 (zh) (tóngyīxìng), 個性／个性 (zh) (gèxìng), 特性 (zh) (tèxìng), 身分 (zh) (shēnfen), 身份 (zh) (shēnfèn)
Czech: identita (cs) f, totožnost f
Danish: identitet c
Dutch: persoonlijkheid (nl)
Finnish: yksilöys (fi), yksilöllisyys (fi), identiteetti (fi), olemus (fi)
French: identité (fr) f
Galician: identidade (gl) f
Georgian: ვინაობა (vinaoba)
German: Identität (de) f
Greek: ταυτότητα (el) f (taftótita)
Hebrew: זהות‎ (he) m
Hungarian: személyazonosság (hu), kilét (hu), önazonosság (of oneself), hovatartozás (hu), mibenlét
Japanese: 身元 (ja) (みもと, mimoto), 同一性 (どういつせい, dōitsusei), アイデンティティ (ja) (aidentiti), アイデンティティー (ja) (aitentitī), 主体性 (しゅたいせい, shutaisei)
Latvian: identitāte f
Maltese: identità f
Maori: tuakiri
Norwegian:
Bokmål: identitet m
Nynorsk: identitet m
Persian: هویت‎ (fa) (hoviyyat)
Polish: tożsamość (pl) f
Portuguese: identidade (pt) f
Russian: иденти́чность (ru) f (idɛntíčnostʹ), индивидуа́льность (ru) f (individuálʹnostʹ), ли́чность (ru) f (líčnostʹ)
Scottish Gaelic: dearbh-aithne f
Spanish: identidad (es) f
Swedish: identitet (sv)
Tagalog: kasiyangaan
Thai: เอกลักษณ์
Turkish: hüviyyet (tr)
Ukrainian: особи́стість (osobýstistʹ), індивідуа́льність (indyviduálʹnistʹ)
Vietnamese: cá tính (vi) (referring to personality), đặc tính (vi)

name or persona

Arabic: هُوِيَّة‎ f (huwiyya)
Armenian: please add this translation if you can
Bulgarian: самоличност (bg) f (samoličnost)
Chinese:
Mandarin: 身分 (zh) (shēnfen), 身份 (zh) (shēnfen)
Czech: totožnost f, identita (cs) f
Danish: identitet c
Dutch: identiteit (nl) f
Finnish: henkilöllisyys (fi)
French: identité (fr) f
Galician: identidade (gl) f
German: Identität (de) f
Greek: ταυτότητα (el) f (taftótita)
Hebrew: פרצוף‎ (he) m (partsúf)
Hungarian: személyiség (hu), identitás (hu)
Japanese: 氏名 (ja) (しめい, shimei), 素性 (ja) (すじょう, sujō)
Norwegian:
Bokmål: identitet m
Nynorsk: identitet m
Polish: tożsamość (pl) f
Portuguese: identidade (pt) f
Romanian: identitate (ro) f
Russian: ли́чность (ru) f (líčnostʹ), ли́чные да́нные n pl (líčnyje dánnyje)

a mathematical equation that holds true irrespective of input elements.

Hungarian: azonosság (hu)
Maori: tūmau

algebra: function — see identity function

algebra: element — see identity element

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Albanian: ^{(please verify)} identitet (sq)
Estonian: ^{(please verify)} identiteet
Italian: ^{(please verify)} identità (it) f
Korean: ^{(please verify)} 동일성 (dong'ilseong) (1), ^{(please verify)} 신원 (ko) (sinwon)
Latin: ^{(please verify)} identitas f, (genitive) ^{(please verify)} identitatis
Persian: ^{(please verify)} برابری‎ (fa) (barâbari), ^{(please verify)} همانی‎ (fa) (hamâni), ^{(please verify)} شناسایی‎ (fa) (šenâsâyi)
Romanian: ^{(please verify)} identitate (ro) f
Serbo-Croatian: ^{(please verify)} identitet (sh) m
Slovak: ^{(please verify)} identita f
Swedish: ^{(please verify)} identitet (sv) c
Turkish: ^{(please verify)} kimlik (tr)

References

identity at OneLook Dictionary Search
identity in Keywords for Today: A 21st Century Vocabulary, edited by The Keywords Project, Colin MacCabe, Holly Yanacek, 2018.
identity in The Century Dictionary, New York, N.Y.: The Century Co., 1911
identity in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913