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corroborate

verbadjectiveattested in dialogue

  • United Kingdom//kəˈɹɒbəɹeɪ̯t//
  • United Kingdom//kəˈrɒbərətɪv//
  • United Kingdom//kəˈrɒbərət//
  • United States//kəˈɹɑbəɹeɪ̯t//
  • United States//kəˈrɒb ər ɪt//

To confirm or support something with additional evidence; to attest or vouch for.

verb

  1. 1

    To confirm or support something with additional evidence; to attest or vouch for.

    The concurrence of all […]corroborates the same truth.

    First, the fireman may be killed. Second, he may not notice the signal at all. Third, in any case he will loyally corroborate his driver and the good old jury will discount that.

  2. 2

    To make strong; to strengthen.

    As any limb well and duly exercised, grows stronger, the nerves of the body are corroborated thereby.

Etymology

First attested in the 1530s; borrowed from Latin corrōborātus (“strengthened”), perfect passive participle of corrōborō (“to support, corroborate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from con- (“together”) + rōborō (“to strengthen”), from rōbur, rōboris (“strength”). Regular participial usage of the adjective up until Early Modern English, otherwise archaic.

adjective

  1. 1

    obsoleteCorroborated.

    There is no Truſting to the Force of Nature, nor to the Brauery of Words; except it be Corroborate by Cuſtome.

  2. 2

    obsoleteVigorous, grown strong.

    But how unjust this traducement is (if you will reduce things from popularity of opinion to measure of reason) may appear in that we see men are more curious what they put into a new vessel than into a vessel seasoned, and what mould they lay about a young plant than about a plant corroborate; […]

Forms

comparative
more corroborate
superlative
most corroborate
past tense
corroborated
past participle
corroborated
present participle
corroborating
third person singular
corroborates
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).