Corroborate

mediumPositive tone

kuh-ROB-uh-rayt

verb

Definition

To confirm or give support to a statement, theory, or finding

Memory hook

CO-ROBO-rate: Two ROBOTs confirming the same data -- corroborating evidence.

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Word roots

corroborareto strengthen(Latin)
roburstrength, oak(Latin)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

The witness's testimony corroborated the defendant's alibi.
New evidence corroborates the theory of climate change.

Test yourself

Fill in the blank with the right word:

The witness's testimony ______ the defendant's alibi.
Show answer

corroborated

Synonyms

confirmverifysubstantiatevalidate

Antonyms

contradictrefutedisproveundermine

Categories

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GRE Tip

Corroborate is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "confirm" or "verify" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "contradict".

Read: How to Memorize GRE Words That Actually Stick

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