waiver

1. (law) A legal document removing some requirement, such as waiving a right (giving it up) or a waiver of liability (agreeing to hold someone blameless).Examples: "I had to sign a waiver when I went skydiving, agreeing not to sue even if something went wrong."; "Sandy Alomar Jr. cleared waivers and was outrighted to Class AA Binghamton in preparation for his promotion when rosters expand Saturday."; "Growth Energy sent the entire report to the E.P.A., but the summary it provided with its formal waiver request — and uses in press materials — said that when using E15 and E20, “there were no significant changes in vehicle tailpipe emissions, vehicle drivability or small nonroad engine emissions as ethanol content increased.”"

2. (obsolete) The process of waiving or outlawing a person.obsolete