unsigned
/ˌʌnˈsaɪnd/adjective
1
- not identified or authorized by a person's signature未签名的, 无署名的：
an unsigned cheque.
未签字的支票。
1.1
- (of a musician or sports player) not having signed a contract of employment.（音乐人或运动员）尚未签约的。
2
- Mathematics & Computing not having a plus or minus sign, or a bit representing this【数, 计算机】无符号的。