unserved
/ˌʌnˈsɜːvd/adjective
1- (of a person or section of society) not attended to or catered for（个人, 社会阶层） 得不到照顾（或服务）的。
1.1
- Law (of a writ or summons) not officially delivered to a person【律】（令状或传票）未送达的。
1.2
- (of a female animal) not mated with a male（雌性动物）未配种的。