unprotected

英 [ʌnprə'tektɪd] 美[,ʌnprə'tɛktɪd]

• adj. 无保护的；未设防的；不受关税保护的
• v. 无保护（unprotect的过去分词）

1. lacking protection or defense

2. lacking protection or a guard;

"an unguarded gate"

"his unguarded queen was open to attack"