Fraud definition: A false representation of a matter of fact—w | Ron Watkins [CodeMonkeyZ]

Fraud definition:
A false representation of a matter of fact—whether by words or by conduct, by false or misleading allegations, or by concealment of what should have been disclosed—that deceives and is intended to deceive another so that the individual will act upon it to her or his legal injury.
https://legal-dictionary.thefreedictionary.com/fraud

Vitiate definition:
To impair or make void; to destroy or annul, either completely or partially, the force and effect of an act or instrument.
https://legal-dictionary.thefreedictionary.com/vitiate