unsigned
US
UK unsigned adj: (bearing no signature)
SC 没有签字的，未签名的
SC 无落款的
The bank did not accept the unsigned cheque.
unsigned adj: (not contracted to a record label) (歌手等)
SC 未签约的
TC 未簽約的
TC 未簽約的
The concert is an opportunity for unsigned bands to get noticed by record companies.