waive, relinquish, forgo, forego, foreswear, dispense with -- (do without or cease to hold or adhere to; "We are dispensing with formalities"; "relinquish the old ideas")
forfeit, give up, throw overboard, waive, forgo, forego -- (lose (s.th.) or lose the right to (s.th.) by some error, offense, or crime; "you've forfeited your right to name your successor"; "forfeited property")