Indispensable
Indispensable adjective - Impossible to do without.
Usage example: fully aware that he was an indispensable assistant, he decided that it was high time that he be paid what he was worth
Nearby Word: indispensably
Unnecessary
Unnecessary adjective - Not needed by the circumstances or to accomplish an end.
Usage example: that large suitcase is unnecessary—we are only going to be away for a couple of days
Nearby Word: unnecessarily
Both words in one sentence
- Seemingly random, as the Latinisms go from the more or less unnecessary to the slightly more justified to the indispensable.
Source: Altum Videtur
Cite this Source
Unnecessary and Indispensable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/indispensable/unnecessary
Indispensable & Unnecessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/indispensable/unnecessary>.
Unnecessary or Indispensable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/indispensable/unnecessary.
Google Ngram Viewer shows how "indispensable" and "unnecessary" have occurred on timeline