Meanings
noununique identifier (plural unique identifiers)
plural unique identifiers
- computingAny identifier that is guaranteed to be unique among all others used for objects and for a specific purpose.
Synonyms: UID
Synonyms & antonyms
nounAny identifier that is guaranteed to be unique among all others used for objects and for a specific purpose.
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Cite this entry
APA
unique identifier. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unique%20identifier
MLA
“unique identifier.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unique%20identifier. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “unique identifier,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unique%20identifier.
Source: unique identifier on Wiktionary, CC BY-SA 4.0.