Be necessary
Need and be necessary are semantically related. In some cases you can use "Need" instead a verb phrase "Be necessary".
Need
Need verb - To have as a requirement.
Both terms in one sentence
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When you get home, whatever you need, whatever you want... Sucre: That won't be necessary.
Source: Series / Prison Break -
The Mysterious oracle asks a variety of questions as to whether you're dreaming, hallucinating, or imagining, and later lampshades that another "journey" may be necessary for you to get the answers you need then tells you that sometimes the same thing can happen again.
Source: New Game+ -
Compare the Old Save Bonus, where you need to interact with a separate game (generally of the same company) to unlock certain content, which is usually not central to gameplay but may be necessary for 100% Completion.
Source: One Game for the Price of Two
Cite this Source
Need and Be necessary. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/be_necessary/need
Be necessary & Need. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/be_necessary/need>.
Need or Be necessary. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/be_necessary/need.
Google Ngram Viewer shows how "be necessary" and "need" have occurred on timeline