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Definition of verifier

verifier

/ˈvɛr.əˌfaɪ.ɚ/
ver · i · fi · er
Plural:verifiers
•
Adjective:verifiable
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verifier Lexical Profile

verifier Game Scores & Validity

• noun

1

A person or organization that checks, confirms, or establishes the truth, accuracy, or validity of something.

Example

"An independent verifier was hired to audit the company's annual carbon emissions report."

2

A software program, cryptographic protocol, or electronic device that checks the accuracy, integrity, or compliance of data, code, or credentials.

Example

"The bytecode verifier ensures that untrusted programs cannot corrupt the system's memory before execution."

Synonyms
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Antonyms
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• Rhymes for verifier

• Nearby Words

verifiable
verifiably
verification
verifier
verify
verily
veritable

Word Origin & Etymology

Formed in English from the verb 'verify' (from Old French 'verifier' and Medieval Latin 'verificare', meaning 'to make true') combined with the agentive suffix '-er'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Verifier. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/verifier
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