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Barbara,毕业于国内顶尖的高级翻译学院,擅长翻译各类与兼并收购相关的法律文件。