Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Used and necessary are semantically related. In some cases you can use "Used" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Mutual synonyms
Both words in one sentence
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The Assimilator: The Minions appear to be the most Borglike of this game in that their dialog consists of very direct statements of the sort the Borg would issue, and their special ability is that they are masters of invasion: only one invasion module is necessary or used up when invading.
Source: Video Game / Ascendancy -
Devil May Cry 4 has a variant, in that although the Devil Bringer is used normally against most Mooks, against bosses it is necessary to find specific moments of vulnerability before it can be used.
Source: Action Commands -
The Dark Signers who used D-Wheels still used helmets, though it's kind of odd why they thought it necessary.
Source: Fantasy Helmet Enforcement
Cite this Source
Used and Necessary. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/necessary/used
Necessary & Used. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/necessary/used>.
Used or Necessary. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/necessary/used.
Google Ngram Viewer shows how "necessary" and "used" have occurred on timeline