Meaning of “confirm” - Learner’s Dictionary


verb [ T ] uk us /kənˈfɜːm/

B2 to say or show that something is true:

The report could not be confirmed independently.
[ + (that) ] His wife confirmed that he'd left the house at 8.

B1 to make an arrangement certain:

Flights should be confirmed 48 hours before departure.
be confirmed

(Definition of “confirm” from the Cambridge Learner’s Dictionary © Cambridge University Press)