signature loanglossary / signature loan An unsecured loan based solely on the borrower’s promise or signature.• To obtain such a loan, the borrower must usu. be highly creditworthy. 词条贡献者 资深译员王漾,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各类与雇主商业秘密相关的法律文件。