Englishfor English speakers
waiver
Noun
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A waiver is the act of a right, claim, or privilege.
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A waiver is a legal document that records the waiving of a right, claim, or privilege.
I had to sign a waiver when I went skydiving, agreeing not to sue even if something went wrong.
of
Preposition
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Made using.
It is a house of cards.
immunity
Noun
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Immunity is the state of being resistant to something. This is when something or someone affects you but you can resist against it.