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Showing results for confirm.
Definitions

confirm

[kuhn-furm] / kənˈfɜrm /
VERB
ratify, validate, prove
Synonyms
STRONGEST
affirm approve back certify corroborate endorse establish explain sign substantiate support uphold verify
STRONG
attest authenticate bless buy check circumstantiate debunk double-check justify okay sanction settle subscribe underpin vouch warrant witness
WEAK
bear out check out give green light give high sign give stamp of approval give the go-ahead give the nod lap up make good make sure rubber-stamp sign off on size up thumbs-up
Antonyms
STRONGEST
confuse contradict deny disallow disapprove discredit disprove invalidate oppose refuse reject
STRONG
disagree refute veto
WEAK
annul cancel destroy repudiate void
VERB
reinforce
Synonyms
STRONGEST
assure establish
STRONG
buttress clinch fix fortify invigorate settle strengthen
WEAK
make firm
Antonyms
STRONG
discourage dishearten dissuade hurt unsettle weaken
WEAK
annul cancel contradict deny destroy disprove invalidate oppose repudiate veto void

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.

The US is yet to confirm it has replied to Tehran.

From BBC • May 3, 2026

His 69-year-old wife also fell ill on board and was evacuated to South Africa, where she died in a Johannesburg hospital, he said, adding that they were not yet able to confirm the victims’ nationalities.

From Barron's • May 3, 2026

Because the study included a relatively small group, the researchers performed additional analyses to confirm their findings.

From Science Daily • May 3, 2026

DNA tests will now be carried out to confirm if the remains are those of the missing man.

From BBC • May 3, 2026

He could easily show one to Judith, at which point she would confirm that it was me she had seen.

From "Girl in the Blue Coat" by Monica Hesse

Vocabulary lists containing confirm

Jim Burke's Academic Vocabulary List

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The SAT: Language of the Test, List 3

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The Language of Standardized Tests, List 2

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