corroborate
Americanverb (used with object)
adjective
verb
adjective
-
serving to corroborate a fact, an opinion, etc
-
(of a fact) corroborated
Other Word Forms
- corroboration noun
- corroborative adjective
- corroboratively adverb
- corroborator noun
- corroboratorily adverb
- corroboratory adjective
- noncorroborating adjective
- noncorroborative adjective
- noncorroboratively adverb
- noncorroboratory adjective
- uncorroborated adjective
- uncorroborative adjective
- uncorroboratively adverb
- uncorroboratory adjective
Etymology
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; cor-, robust, -ate 1
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Breadth indicators corroborate this oversold condition, supporting a bullish medium-to-long-term outlook.
From Barron's • Mar. 20, 2026
Federal prosecutors in Manhattan typically require cooperating witnesses to plead guilty to all the charges against them, corroborate the government’s allegations and admit to any other crimes they committed during their lifetime.
From The Wall Street Journal • Feb. 25, 2026
“But in my experience, cooperators in these types of cases are especially valuable, and the key is to then corroborate them with other witnesses who tell the same story or documentary evidence.”
From Los Angeles Times • Jan. 5, 2026
"As was true two years ago, the dancers cannot find a single person to corroborate their meritless claims," she Glass said in a statement to Billboard magazine.
From BBC • Dec. 16, 2025
To separate the facts from the hearsay contained in the bureau’s case files, White settled upon a simple but elegant approach: he would methodically try to corroborate each suspect’s alibi.
From "Killers of the Flower Moon" by David Grann
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
