# corroborate

> English word · Verb · IPA /kəˈɹɒbəɹeɪ̯t/ · frequency rank #31,937

## Definitions
1. To confirm or support something with additional evidence; to attest or vouch for.
2. To make strong; to strengthen.

## Etymology
First attested in the 1530s; borrowed from Latin corrōborātus (“strengthened”), perfect passive participle of corrōborō (“to support, corroborate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from con- (“together”) + rōborō (“to strengthen”), from rōbur, rōboris (“strength”). Regular participial usage of the adjective up until Early Modern English, otherwise archaic.

## Common misspellings (14)
`ccorroborate`, `coroborate`, `cororborate`, `corrboorate`, `corrobborate`, `corroboarte`, `corroboraet`, `corroboratte`, `corroborrate`, `corrobortae`, `corrobroate`, `corroobrate`, `croroborate`, `ocrroborate`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/corroborate