Submitted by György Chityil ... on Fri, 01/19/2018 - 23:22 Hierarchy: NounDescription: The quality of being irreplaceable; inability to be replaced; {{frequently}} uniqueness.Ngram: irreplaceabilityNgram Text: irreplaceabilitySource: WiktionaryIssue: 0Wiktionary tag: frequentlyNgram Count: 1