Longman Dictionary of Contemporary English
non-refundable
adjective
EXAMPLES FROM CORPUS
▪ Fees are non-refundable and subject to change at the school's discretion.
▪ Nothing for her troubles except a $ 15 non-refundable service charge on her Visa card.
Usage examples of "non-refundable".
I'm afraid the trip to disorder is, alas, a one-way, non-refundable ticket.