1. in a way that cannot be replaced or substituted

Examples

• The ancient manuscript was irreplaceably damaged in the fire.
• Her grandmother’s ring was irreplaceably precious to her.
• The veteran teacher contributed irreplaceably to the school community.
• The original artwork was irreplaceably lost during the move.
• His expertise in the field made him irreplaceably valuable to the team.
• The historic building was irreplaceably significant to the town’s heritage.