/ˌʌnɪnˈdɔːst/ – adjective
Definition: xch UNENDORSED.
A more thorough explanation: “Unindorsed” refers to a document, such as a check or a promissory note, that does not bear the signature or endorsement of the intended recipient or payee.
Example: The check was unindorsed, so it could not be cashed at the bank.