1. impossible to recover, restore, or regain

Examples

• The data was irretrievable after the hard drive crashed.
• Their marriage had reached an irretrievable breakdown.
• The ancient artifacts were lost in an irretrievable way during the fire.
• Once the company's reputation was damaged, the loss seemed irretrievable.
• The lawyer argued that the situation was irretrievable and divorce was the only option.
• Years of neglect had caused irretrievable damage to the historic building.