verb
corroborate
kuh-RO-buh-rayt
verb
1
To support or confirm a claim with additional evidence.
"Two witnesses corroborated her account of the accident."
"The lab results corroborated the doctor's diagnosis."
How to Use Corroborate
Learner’s notesIn plain EnglishTo back up a statement or theory with extra proof.
Memory tip
Think of it as adding "strength" to a claim — the root word literally means "to strengthen".
Trace the full origin ↓
Common pairings
corroborate a claim
corroborate evidence
corroborate a story
Word Forms
more corroborate comparative, corroborated past tense, corroborates singular, most corroborate superlative
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Two witnesses _____ her account of the accident.
Etymology
From Latin corroborare, "to strengthen," from com- ("together") plus roborare, "to strengthen" — ultimately from robur, "strength" (the same root behind "robust").