renoncer

renoncer à

to dispense with

savoir renoncer

know abandon

Renoncer a jouer

Waive play

il a dû renoncer

he had to give

renoncer à la TVA

waive VAT

on peut y renoncer

renounceable

Ne jamais renoncer

Never give up

Ce serait renoncer.

Not to do so would be to give up, and that is something we cannot do.