1. in a way that cannot be recovered, restored, or undone

Examples

• The data was irretrievably lost when the hard drive crashed.
• Their marriage had irretrievably broken down after years of conflict.
• The ancient manuscript was irretrievably damaged by the flood.
• Once the company went bankrupt, the investment was irretrievably gone.
• The relationship between the two countries had deteriorated irretrievably.
• His reputation was irretrievably tarnished by the scandal.