corroborate

[kuh-rob-uh-reyt, kuh-rob-er-it]

verb (used with object)

corroborated, corroborating 

1. to make more certain; confirm.

   He corroborated my account of the accident.

   Synonyms: validate, support, authenticate, verify

adjective

1. Archaic.,  confirmed.

corroborate

/ kəˈrɒbərətɪv /

verb

1. (tr) to confirm or support (facts, opinions, etc), esp by providing fresh evidence

   the witness corroborated the accused's statement

adjective

1. serving to corroborate a fact, an opinion, etc

2. (of a fact) corroborated

Other Word Forms

• corroborative adjective
• corroboratory adjective
• corroboratively adverb
• corroboratorily adverb
• corroborator noun
• noncorroborating adjective
• noncorroborative adjective
• noncorroboratively adverb
• noncorroboratory adjective
• uncorroborated adjective
• uncorroborative adjective
• uncorroboratively adverb
• uncorroboratory adjective
• corroboration noun

Word History and Origins

Origin of corroborate¹

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; cor-, robust, -ate ¹

Word History and Origins

Origin of corroborate¹

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

Example Sentences

The increase in U.A.E. weapons deliveries was corroborated by Libyan, Egyptian and European officials familiar with the situation.

Read more on The Wall Street Journal

But for Dyne, Matteis believes the deal for Avidity is “highly validating,” as it corroborates the expected value of muscle-delivery technology and the attractiveness of the markets for even rare diseases like DMD.

Read more on MarketWatch

The video, plaintiff attorneys say, corroborates the case they make in a master complaint filed earlier this month: that the state allowed a “dangerous fire condition” to exist on the Lachman burn scar.

Read more on Los Angeles Times

They said witnesses had been coached by investigators, in order to corroborate the theory of guilt.

Read more on BBC

"These incidents include only those that HRL corroborated through either remote sensing, open source documentation, or a combination of both methods and are likely an undercount," its report said.

Read more on BBC

Related Words

• authenticate 
• confirm 
• justify 
• substantiate 
• validate 
• verify