Necessary
Necessary noun - Something necessary, indispensable, or unavoidable.
Ought and necessary are semantically related In some cases you can use "Ought" instead a noun "Necessary".
Nearby Words: necessity, necessarily
Ought
Mutual synonyms
Both words in one sentence
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Sansa Stark from A Song of Ice and Fire is good at everything a lady ought to be good at—except for the math necessary to keep track of the household accounts.
Source: Everybody Hates Mathematics -
If you want to try a cool stunt that's not explicitly outlined in the handbook, all the DM has to do is make up his/her mind on what sort of check is necessary, how difficult it ought to be given the circumstances, and then ask you to roll it.
Source: Measuring the Marigolds -
Although the tech ought to be more familiar with the system and its capabilities, in a great many examples techs never use the Enhance Button, no matter how necessary, until a more important character tells them to.
Source: Enhance Button
Cite this Source
Ought and Necessary. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/necessary/ought
Necessary & Ought. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/necessary/ought>.
Ought or Necessary. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/necessary/ought.
Google Ngram Viewer shows how "necessary" and "ought" have occurred on timeline