Failure of Consideration Want of Consideration Mangelnde Gegenleistung Failure of Consideration Falta de contraprestación Falta de contraprestación Défaut de contrepartie כשל בתמורה विचार की असफलता 対価不履行 Falha de contraprestação 未履行对价 Failure of Consideration is a legal defense that asserts that one party did not receive the agreed-upon consideration or value in exchange for their performance or promise, which renders the contract or agreement unenforceable.