corroborating

IPA/kəˈrɒb.ər.eɪ.tɪŋ/
KK[kɚˈɑbɚˌetɪŋ]IPA/kəˈrɑː.bə.reɪ.t̬ɪŋ/

corroborating — adjective

  • corroboratingpositive
  • more corroboratingcomparative
  • most corroboratingsuperlative

1. providing extra proof that makes a story, statement, or idea more believable

1.adjectiveC1
Definition

providing extra proof that makes a story, statement, or idea more believable

Example

The CCTV footage was corroborating evidence that placed Amir at the scene.

collocation: corroborating evidence

Keiko found a corroborating document among her grandfather's wartime letters.

Common collocations
  • corroborating evidence
  • corroborating testimony
  • corroborating document
  • corroborating witness
Synonyms
  • supporting

    more general and less formal; used in everyday contexts

  • confirmatory

    technical, often used in scientific or medical writing

  • validating

    emphasises proving that something is correct or acceptable

Antonyms
  • contradictory

    directly opposing the original claim rather than backing it

  • refuting

    actively disproving a claim instead of supporting it

Grammar Patterns

corroborating + noun (evidence, testimony, document, statement)

Usage Note

Typically modifies nouns like evidence, testimony, statement, or document — things that can prove a claim true.

Common Mistakes

The two firms issued a corroborating report.' (when meaning they worked together).
The two firms issued a collaborative report.
'corroborating' means providing proof; 'collaborative' means produced by working together.

corroborating — verb

Word family

Synonym discussion

Sense: verb/1

Corroborate, confirm, verify, substantiate, and validate all relate to establishing truth, but they differ in context and emphasis. Corroborate is formal and always involves evidence from a separate, independent source that backs a specific claim — a second witness corroborates the first. Confirm is the most everyday word and simply means showing something is true, often by checking (a phone call confirms a booking). Verify implies a systematic check against facts or standards (an auditor verifies accounts). Substantiate is highly formal and common in legal or academic writing, meaning to provide enough evidence to support an allegation or theory (documents substantiated the fraud claim). Validate emphasises proving that something is legitimate or acceptable according to rules (the test results validated the new treatment). Example: 'A neighbour's statement corroborated the driver's account of the crash.' vs. 'I'll call to confirm our lunch plans.'

confirm ↗verify ↗substantiate ↗validate ↗

Common collocations

Adverbs

  • strongly corroborate
  • independently corroborate

Phrases

  • corroborate a claim
  • corroborate a theory

Etymology

LatinFrenchEnglish

Corroborate entered English in the early 1500s from the Latin verb corroborare, meaning 'to strengthen'. This Latin word combines com- ('together') with roborare ('to make strong'), which itself comes from robur ('oak' or 'hardwood') — the image being the strength and solidity of oak. The word originally meant physical strengthening, but by the 1700s it had shifted entirely to the modern sense of strengthening an argument or claim with evidence.

First known use

1529

1529, in the meaning defined above