The unconfirmed report about the bridge closure caused drivers to take longer alternate routes.

The eyewitness's description was unconfirmable, so the investigators treated it with caution.

Her unconfirmative reply left the team unsure how to proceed.

After several errors were found, the analyst began unconfirming the previously approved reports one by one.

Please unconfirm the appointment in the system if the client requests a cancellation.

She unconfirms the reservation when she realizes the date is wrong.