1. occurring or done after death - postmortem changes - a postmortem examination to determine cause of death - postmortal wounds • Syn: postmortal • Ant: antemortem • Derivationally related forms: postmortem (for: postmortal) 2. after death or after an event - a postmortem examination to determine the cause of death - the postmortem discussion of the President's TV address • Similar to: succeeding