Meaning & use
confirm
To establish that something is true, accurate, or definite, often by providing evidence or agreement.
See it in a sentence
The lab results confirmed the doctor's initial diagnosis within just a few hours.
Please confirm your attendance by replying to this email before Friday.
A note on using this word
Confirm often implies removing uncertainty about something already suspected or planned, unlike 'prove,' which usually establishes a new fact from scratch.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Make it your own
Write a sentence using “confirm”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.