1. A guarantee or warranty that is backed solely by a person's signature, without additional collateral, security, or third-party verification
The loan was guaranteed by signature only, meaning the borrower's written commitment was the sole assurance of repayment.
O empréstimo foi garantido apenas por assinatura, significando que o compromisso escrito do mutuário foi a única garantia de reembolso.
2. In banking or legal contexts, a commitment or agreement secured only by the personal signature of the guarantor without physical collateral
The contract was guaranteed by signature only, relying entirely on the creditor's trust in the signatory.
O contrato foi garantido apenas por assinatura, dependendo inteiramente da confiança do credor no signatário.