To officially remove the security level designation of a classified information item or information type, such that the information is no longer classified (i.e., becomes unclassified). (See: classified, classify, security level. Compare: downgrade.)
To officially remove the security level designation of a classified information item or information type, such that the information is no longer classified (i.e., becomes unclassified). (See: classified, classify, security level. Compare: downgrade.)