[ verb kuh-rob-uh-reyt; adjective kuh-rob-er-it ]
See synonyms for: corroboratecorroboratedcorroboratingcorroborative on

verb (used with object),cor·rob·o·rat·ed, cor·rob·o·rat·ing.
  1. to make more certain; confirm: He corroborated my account of the accident.

  1. Archaic. confirmed.

Origin of corroborate

First recorded in 1520–30; from Latin corrōborātus, past participle of corrōborāre “to strengthen,” equivalent to cor- “with, together” + rōbor(āre) “to make strong” (derivative of rōbor, rōbur “oak” hence, “strength”) + -ātus past participle suffix; see cor-, robust,-ate1

Other words for corroborate

Other words from corroborate

  • cor·rob·o·ra·tive [kuh-rob-uh-rey-tiv, -er-uh-tiv], /kəˈrɒb əˌreɪ tɪv, -ər ə tɪv/, cor·rob·o·ra·to·ry, adjective
  • cor·rob·o·ra·tive·ly, cor·rob·o·ra·to·ri·ly, adverb
  • cor·rob·o·ra·tor, noun
  • non·cor·rob·o·rat·ing, adjective
  • non·cor·rob·o·ra·tive, adjective
  • non·cor·rob·o·ra·tive·ly, adverb
  • non·cor·rob·o·ra·to·ry, adjective
  • un·cor·rob·o·rat·ed, adjective
  • un·cor·rob·o·ra·tive, adjective
  • un·cor·rob·o·ra·tive·ly, adverb
  • un·cor·rob·o·ra·to·ry, adjective

Words that may be confused with corroborate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use corroborate in a sentence

British Dictionary definitions for corroborate


  1. (tr) to confirm or support (facts, opinions, etc), esp by providing fresh evidence: the witness corroborated the accused's statement

adjective(kəˈrɒbərɪt) archaic
  1. serving to corroborate a fact, an opinion, etc

  2. (of a fact) corroborated

Origin of corroborate

C16: from Latin corrōborāre to invigorate, from rōborāre to make strong, from rōbur strength, literally: oak

Derived forms of corroborate

  • corroboration, noun
  • corroborative (kəˈrɒbərətɪv) or corroboratory, adjective
  • corroboratively, adverb
  • corroborator, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012