Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To strengthen or support with other evidence; make more certain. See Synonyms at confirm.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To confirm, strengthen or support something with additional evidence; to attest or vouch.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Corroborated.
  • transitive v. To make strong, or to give additional strength to; to strengthen.
  • transitive v. To make more certain; to confirm; to establish.

from The Century Dictionary and Cyclopedia

  • To strengthen; make strong, or impart additional strength to: as, to corroborate the judgment, will, or habits.
  • To confirm; make more certain; give additional assurance of: as, the news is corroborated by recent advices.
  • Corroborated; strengthened; confirmed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. support with evidence or authority or make more certain or confirm
  • v. give evidence for
  • v. establish or strengthen as with new evidence or facts

Etymologies

Latin corrōborāre, corrōborāt- : com-, com- + rōborāre, to strengthen (from rōbur, rōbor-, strength; see reudh- in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin corrōborātus, perfect passive participle of corrōborō ("strengthen"), from com- ("together") + rōborō ("strengthen"), from rōbur ("strength"). (Wiktionary)

Examples

  • These terms corroborate and identify themselves with the most ancient of traditionary customs, long ere princes had monopolised the surface of coined money with their own images and superscriptions.

    Traditions of Lancashire, Volume 1 (of 2)

  • Collaborate/Corroborate: To collaborate is to work closely with others; to corroborate is to confirm the truth of something.

    Conservapedia - Recent changes [en]

  • * '' 'Collaborate/Corroborate' '': To collaborate is to work closely with others; to corroborate is to confirm the truth of something.

    Conservapedia - Recent changes [en]

  • UNIDENTIFIED MALE: The LAPD police chief said that they are looking for the coroner ` s report to corroborate the cause of death -- "corroborate," which clearly implies that they have a strong belief that something was involved, and that something in this case is clearly drug abuse.

    CNN Transcript Jul 15, 2009

  • One historian who has actually written extensively on the response to Katrina, Douglas Brinkley, told me today that, you know, it does kind of corroborate a lot of the information he got that the White House, while they may not have sought to drag Michael Brown through the mud, certainly was happy that he was at least deflecting some criticism from them.

    CNN Transcript Jun 9, 2006

  • As an old neighbor of mine said when he painted the top board of his fence green, he wanted it "to kind of corroborate with his blinds."

    Remarks

  • Another serious procedural flaw in your Report is your reliance on hearsay and accusations made anonymously to "corroborate" your allegations.

    Daily News Alert from Israel - COP/JCPA

  • It is entirely unclear just what North did to "corroborate" US military claims of Taliban deaths, but his efforts to bolster the military stance appear about to go down in the same flames that killed 90 Afghan civilians.

    Clipmarks | Live Clips

  • \ "For you, to corroborate is to explain, while for sorcerers is to witness indescribable things without subterfuge or mental tricks.

    Recently Uploaded Slideshows

  • "corroborate," but I did indeed try smoothing it all over my legs for a few days.

    Luxist

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