unsecured
adjective uk/ˌʌn.sɪˈkjʊəd/ us/ˌʌn.sɪˈkjʊrd/
(MONEY)
finance & economics specialized无抵押贷款的
relating to a loan (= an amount of money that is lent) for which the person who has lent the money has no right to take property from the person who has borrowed it, if the money is not paid back
With an unsecured loan you do not offer your home as security and it is therefore a popular form of borrowing among consumers. 申请无抵押贷款时你无需以住房作抵押，因为大受消费者欢迎。
(NOT SAFE)
不安全的
not made safe; not protected from danger or risk
According to the insurance company's report, the garage door had been left unsecured. 根据保险公司的报告，那扇车库门没有关好。