Irreplaceability

Pronunciation: /ˈaɪˈɑɹˈˌɹipɫeɪsˈəbɪɫəˌti/

Irreplaceability (noun)

  1. The quality of being impossible to change for something else, because nothing else works in the same way.
  2. The state where a person, thing, or role has special importance that cannot be matched by another option.
  3. In law, the idea that a loss cannot be fully fixed with money because the item or right is not equivalent.

Examples

  • The irreplaceability of her skills became clear during the crisis.
  • His irreplaceability meant no one else could do the same job.