Part of speech:
Extremely valuable; having value too great to measure; priceless
impossible to replace
Find another word for irreplaceable. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for irreplaceable, like: one-of-a-kind, unique, nonrenewable, invaluable, valuable, priceless, incalculable, irreplacable, unreplaceable and replaceable.