Indispensable
Indispensable adjective - Impossible to do without.
Irreplaceable is a synonym for indispensable. In some cases you can use "Irreplaceable" instead an adjective "Indispensable".
Nearby Word: indispensably
Irreplaceable
Irreplaceable adjective - Impossible to replace.
Indispensable is a synonym for irreplaceable. You can use "Indispensable" instead an adjective "Irreplaceable".
Mutual synonyms
Cite this Source
Irreplaceable and Indispensable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/indispensable/irreplaceable
Indispensable & Irreplaceable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/indispensable/irreplaceable>.
Irreplaceable or Indispensable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/indispensable/irreplaceable.
Google Ngram Viewer shows how "indispensable" and "irreplaceable" have occurred on timeline