English Reference

Word

verify

Phoneticsver·i·fy, stress on the first syllable

US/ˈvɛɹəˌfaɪ/

UK/vˈɛɹɪfˌaɪ/

Definitions

01to check accuracy

B2 · Upper Intermediate

v. to check that something is true or correct by looking at evidence.

v. to confirm or test the truth or accuracy of something through examination or comparison.

“Please verify that your phone number is correct before you submit the form.”

“The bank requested additional documentation to verify the applicant's identity and source of income before approving the mortgage.”

02to prove true

C1 · Advanced Science Academic

v. to show that a statement or theory is definitely true.

v. to substantiate or prove the truth of a claim or hypothesis using empirical evidence.

“Other scientists were able to verify the results of the experiment.”

“Independent researchers conducted a follow-up study to verify the initial findings, ensuring the data was not skewed by external variables.”

Antonyms

03to affirm formally

C1 · Advanced Law Formal · Technical

v. to state officially that something is true, often in a legal situation.

v. to affirm something formally or under oath in a legal context.

“The witness was asked to verify her statement in court.”

“The petitioner was required to verify the allegations in the complaint by signing an affidavit under penalty of perjury.”

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “verify” in context.

Verb

01. attempt to verify the identity

“The bank will attempt to verify the identity of the account holder through two-factor authentication.”

verb + infinitive

02. verify that the information is correct

“Please verify that the information is correct before submitting your application.”

verb + that-clause

03. verify the accuracy of the report

“The auditor spent weeks trying to verify the accuracy of the report.”

verb + noun + of + noun

Noun

04. means to verify the results

“The laboratory lacked the necessary means to verify the results of the initial test.”

noun + infinitive

05. need to verify the credentials

“There is an urgent need to verify the credentials of all new medical staff.”

noun + infinitive

Adverb

06. empirically verify the hypothesis

“The researchers conducted several experiments to empirically verify the hypothesis.”

adv + verb + noun

07. independently verify the claims

“Journalists were unable to independently verify the claims made by the whistleblower.”

adv + verb + noun

08. rigorously verify the data

“The software undergoes a series of tests to rigorously verify the data before it is processed.”

adv + verb + noun

Real-World Examples

“However, monitors were unable to independently verify these numbers due to lack of access and limited information.”
UN News 13 Aug 2026
“BBC Verify has not been able to independently confirm this.”
BBC News 14 Aug 2026

Etymology

From Old French verifier (French: vérifier), from Medieval Latin vērificāre (“make true”), from Latin vērus (“true”) + faciō (“do, make”); see -fy.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

VERB

verify(C1)

Domain

Law

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

QR code

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English Reference