Meaning & use
confirm
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Meanings
verbtransitive
To show that information, a suspicion, or a fact is true, accurate, or correct.
Grammar: Takes an object or a that-clause: confirm the result, confirm that the result is correct.
Patterns
- confirm something
- confirm that…
- confirm whether/if…
- confirm someone’s suspicions
The test confirmed that the water was safe to drink.
Please confirm your email address before the account opens.
New evidence confirmed the detectives’ original suspicion.
verbtransitive
To state firmly that a plan, arrangement, or attendance will happen as expected.
Grammar: Takes an object such as booking, date, reservation, or attendance; often used in business and travel.
Patterns
- confirm a booking
- confirm a date/time
- confirm attendance
- confirm something in writing
The hotel confirmed our reservation by text.
Can you confirm the meeting time with the client?
Forty guests have confirmed attendance so far.
verbtransitivereligion
In some Christian churches, to admit a baptized person formally to full church membership through a ceremony.
Grammar: Takes a person as object and is mainly used in religious contexts.
Patterns
- confirm someone
- be confirmed
- confirmation ceremony
The bishop will confirm twelve young people at the cathedral next month.
She was confirmed in the spring and received with the other candidates.
Families gathered for the service that would confirm the teenagers.
Word forms
| third person singular | confirms |
|---|---|
| past tense | confirmed |
| past participle | confirmed |
| -ing form | confirming |
Common combinations
- confirm a booking/reservation
- I called to confirm the reservation for Saturday night.
- confirm receipt
- Please confirm receipt of the contract when it arrives.
- confirm suspicions
- The missing letter confirmed her suspicions about the deal.
- officially confirm
- Officials confirmed that the bridge would reopen on Monday.
Synonyms and how they differ
- verify
- Very close for checking accuracy; verify often stresses formal checking of details.
- corroborate
- Means to support a claim with independent evidence, usually more formal than confirm.
- validate
- Can mean prove that something is sound or acceptable, especially data, feelings, or methods.
- prove
- Stronger: it establishes truth from evidence, while confirm often removes doubt about something already expected.
Opposites
Word family
- confirmation noun
- The act of confirming, or a message that proves something is definite.
- confirmed adjective
- Firmly settled, long-established, or verified.
Commonly confused: confirm or conform? confirm or assure?
confirm vs conform
Confirm means establish or state as true; conform means follow rules or match expectations.
confirm vs assure
Assure tells someone confidently to remove worry; confirm checks or states that something is true.
Practice
Which sentence uses “confirm” correctly?
Choose one answer.
“Confirm that…” correctly asks someone to state whether information is true. “Conform” means comply, “against” does not fit here, and confirm is not an adjective meaning decisive.
Make it your own
Write a sentence using “confirm”, then check it and compare it with the examples above.