corroborate

[ verb kuh-rob-uh-reyt; adjective kuh-rob-er-it ]

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.

   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

Derived Forms

• corˈroboratively, adverb
• corroborative, adjective
• corˌroboˈration, noun
• corˈroboˌrator, noun

Other Words From

• cor·rob·o·ra·tive [k, uh, -, rob, -, uh, -rey-tiv, -er-, uh, -tiv], 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

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

A recent Senate report revealed that, despite claims to investigate the accusation, the Trump White House focused its energies on suppressing corroborating evidence.

From Salon

The result has been rubber-stamped by the central election commission even though it was not corroborated by Western polling groups.

From BBC

DNA-based analyses, used to predict the age of animal groups by comparing them with their closest living relatives, have corroborated this hypothesis.

From Science Daily

Officers from the Cybercrime unit also extracted information from the cellphones of hotel reception and volunteer witnesses to corroborate statements.

From Los Angeles Times

“The subsequent investigation led to the discovery of evidence corroborating the survivor’s allegations,” Joseph said.

From Los Angeles Times

Related Words

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