waiverPronunciation: /ˈweɪvə/Translate waiver | into Italian Definition of waiver noun an act or instance of waiving a right or claim: their acquiescence could amount to a waiver [mass noun]:they give consent to waiver of their subrogation rights a document recording the waiving of a right or claim. Do not confuse waiver with waver.waiver in other Oxford dictionaries Definition of waiver in the US English dictionary