say it: ir-uh-PLAY-suh-buhl
irreplaceable is an adjective meaning "impossible to replace". It is pronounced /ˌɪɹəˈpleɪsəbəl/ — ir-uh-PLAY-suh-buhl. It carries one recorded sense.
Definitions, synonyms and semantic relations for irreplaceable come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.