Contract Basics
What Makes a Contract Void? Void vs Voidable
By FixMyContractLast updated Sep 25, 20262 min read
Generally, a contract is void — treated as if it never existed — when it has an illegal purpose or lacks something essential. A voidable contract is valid until one side chooses to cancel it, for example because of fraud or pressure.
Common reasons a contract is void
An illegal purpose, a party who legally cannot contract, or terms so uncertain that no agreement can be identified.
Common reasons a contract is voidable
Fraud, misrepresentation, undue pressure, or a party who was a minor when signing.
A single clause can fail
Many contracts include a severability clause, so that if one term is invalid the rest still stands.
Examples
Under general US contract law: an agreement to do something illegal is usually void — neither side can enforce it. A contract signed by a minor is usually voidable: the minor can generally choose to cancel it, with exceptions such as necessities. A contract signed because of a false statement about a key fact that the other side relied on can also be voidable.
What this means before you sign
A contract being void or voidable is rarely a simple way out — those arguments are uncertain and usually need a court. It is simpler to check what matters before signing: who the parties are, what each side must do, what it costs, and how the contract ends.
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This is information, not legal advice.