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
Vital is an antonym for unnecessary.
Nearby Word: unnecessarily
Vital
Vital adjective - Impossible to do without.
Usage example: I forgot one vital ingredient, and now the biscuits taste strange
Both words in one sentence
- It so happened that the vital resupply ships that could have saved the whole colony arrived much sooner than Kodos had anticipated, rendering all the executions unnecessary.
Source: Cold Equation - Unnecessary Roughness: In "The Last Man", a vital cricket match comes down to three balls left and six runs to win.
Source: Series / Father Brown - The many incredibly powerful beings of Touhou Project fight using the nonlethal Spellcards instead of their true powers to avoid unnecessary bloodshed, especially when beings vital to the existance of the world are involved.
Source: Power Limiter
Cite this Source
Vital and Unnecessary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unnecessary/vital
Unnecessary & Vital. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unnecessary/vital>.
Vital or Unnecessary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unnecessary/vital.
Google Ngram Viewer shows how "unnecessary" and "vital" have occurred on timeline