1. examinations of a dead body to determine the cause of death; autopsies
Usage: medical
2. detailed analyses or discussions of something after it has ended, especially to identify what went wrong
Usage: business; informal

Examples

• The coroner ordered postmortems on all three victims.
• Postmortems revealed that the patients died from natural causes.
• The team conducted postmortems after each failed project.
• Management scheduled postmortems to analyze the marketing campaign’s poor results.
• The election postmortems focused on voter turnout issues.
• Several postmortems were performed to understand the system failure.
• The company’s postmortems helped prevent similar mistakes in the future.