definitions

corroborate

[ verb kuh-rob-uh-reyt; adjective kuh-rob-er-it ]
/ verb kəˈrɒb əˌreɪt; adjective kəˈrɒb ər ɪt /
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SEE MORE SYNONYMS FOR corroborate ON THESAURUS.COM

verb (used with object), cor·rob·o·rat·ed, cor·rob·o·rat·ing.

to make more certain; confirm: He corroborated my account of the accident.

adjective

Archaic. confirmed.

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RELATED WORDS

authenticate, confirm, substantiate, verify, validate, justify, ratify, okay, prove, strengthen, approve, support, certify, sustain, endorse, document, establish, rubber-stamp

Nearby words

corrigendum, corrigible, corrin, corrival, corroborant, corroborate, corroboration, corroboree, corrode, corrody, corrosion

Origin of corroborate

1520–30; < Latin corrōborātus past participle of corrōborāre to strengthen, equivalent to cor- cor- + rōbor(āre) to make strong (derivative of rōbor, rōbur oak (hence, strength); see robust) + -ātus -ate1

Related forms

Can be confused

collaborate corroborate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for corroborate

British Dictionary definitions for corroborate

corroborate

verb (kəˈrɒbəˌreɪt)

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

adjective (kəˈrɒbərɪt) archaic

serving to corroborate a fact, an opinion, etc
(of a fact) corroborated

Derived Forms

corroboration, nouncorroborative (kəˈrɒbərətɪv) or corroboratory, adjectivecorroboratively, adverbcorroborator, noun

Word Origin for corroborate

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