reconfirm

/ˌriːkənˈfɜːrm/
verb
  1. To confirm something again, especially to make sure it is still true or valid.
    • Please call the hotel to reconfirm your reservation.
    • I need to reconfirm my flight before I leave for the airport.
    • The scientist had to reconfirm the results of the experiment.
Antonyms
What does "reconfirm" mean? | whatsthatwordmean | whatsthatwordmean