Expensive
Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Expensive and necessary are semantically related. Sometimes you can use "Expensive" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Mutual synonyms
Both words in one sentence
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Bioconservatives consider resleeved humans to be soulless replicants, while transhumans who have abandoned this concept view the body itself as expensive and necessary property rather than a part of the self.
Source: Tabletop Game / Eclipse Phase - Even if you only intend to use bound weapons, this trick will let you have the levels necessary to get the Bound Bow spell (most expensive, requires level 50 conjuration) and all the perks relating to bound weapons by the time you clear the barrow.
Source: Game Breaker / The Elder Scrolls -
The new reforge system is expensive if one gets into it, but it's far from necessary.
Source: Allegedly Free Game
Cite this Source
Necessary and Expensive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/expensive/necessary
Expensive & Necessary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/expensive/necessary>.
Necessary or Expensive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/expensive/necessary.
Google Ngram Viewer shows how "expensive" and "necessary" have occurred on timeline