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identifier Synonyms

Another word for identifier

Choosing another word for identifier depends on context, so the synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

A sequence of characters, symbol, name, or code used to uniquely distinguish or recognize a person, object, or record.

Usage Example

"Every book published commercially is assigned a unique numeric designator known as an ISBN."

Strong
designator
code
label
marker
tag
Weak
token

• noun (Context 2)

A lexical token or user-defined name in computer programming that names a variable, function, class, or other entity.

Usage Example

"In most programming languages, an token cannot begin with a numerical digit or contain spaces."

Strong
token
symbol

• noun (Context 3)

A person or device that recognizes, verifies, or establishes the identity of someone or something.

Usage Example

"The botanist served as the primary classifier of rare orchid specimens collected during the expedition."

Strong
classifier
Weak
detector

• Nearby Words

identifiable
identifiably
identification
identifier
identify
identikit
identity

Cite this Entry

Wordmom. (2026). Synonyms for Identifier. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/identifier
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