identifier
Americannoun
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identifiers
plural
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something, such as a name, number, code, label, etc., that serves to identify or represent a person or thing.
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a book, computer application, or other source that one can use to identify something, such as a bird, plant, etc., by matching it with a sound, photo, or description in an inventory.
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a person who identifies someone or something.
noun
Other Word Forms
Derived Forms
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de-identifiernoun
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non-identifiernoun
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quasi-identifiernoun
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self-identifiernoun
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sub-identifiernoun
Inflected Forms
Nouns
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The hackers also obtained access to unique student identifier numbers as well as information about gender, race or ethnicity, primary language, country of origin and English learner status.
From Los Angeles Times ● Oct. 17, 2026
The way it works is guests’ faces are scanned, converted into a numerical identifier and matched with ticket data.
From Los Angeles Times ● May 20, 2026
That dollar amount served as a unique identifier in a separate disclosure table showing OBDC’s valuation methods for different categories of Level 3 investments.
From The Wall Street Journal ● May 13, 2026
A unique identifier number will be given to children across services, similar to an adult's national insurance number.
From BBC ● Dec. 16, 2024
It is customary for the first identifier to have the species named after him, or any name he chooses, so long as it is not already in use.
From "The Evolution of Calpurnia Tate" by Jacqueline Kelly
Since the public rolls don’t include voters’ unique identifiers, people at the lab also knew linking them to HSI’s data would produce mismatches — what the staffer called an “ungodly” number of false positives.
From Salon ● Aug. 15, 2026
Disney’s privacy policy notes that the identifiers created for identification are deleted within 30 days unless they need to be kept for legal or fraud prevention purposes.
From Los Angeles Times ● May 20, 2026
These patterns act as unique optical identifiers that are difficult to replicate, making them useful for anti-counterfeiting and traceability applications.
From Science Daily ● Apr. 21, 2026
Yet the census-wallahs shoehorned Indians who had, says Ms. Truschke, “long used discrete identifiers such as Vaishnavites, Shaivites, Shakta worshippers, Lingayats, Satnamis, Ramanandis, bhaktas, and Brahmins” into one broad category.
From The Wall Street Journal ● Dec. 5, 2025
The regime then assigned identifiers on the cover of the cards.
From "Salt to the Sea" by Ruta Sepetys
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