1. in a way that cannot be recovered, reformed, or restored
Usage: formal

Examples

• The ancient manuscript was irreclaimably damaged by the flood.
• He had fallen irreclaimably into debt after years of poor decisions.
• The wetlands were irreclaimably lost to urban development.
• She believed her reputation was irreclaimably ruined.
• The computer files were irreclaimably corrupted.
• The relationship had deteriorated irreclaimably over time.