Be necessary
Require and be necessary are semantically related. In some cases you can use "Require" instead a verb phrase "Be necessary".
Require
Require verb - To have as a requirement.
Be necessary and require are semantically related. Sometimes you can use "Be necessary" instead a verb "Require".
Both terms in one sentence
- They require that the episodes of a tale shall be necessary parts of the tale, and shall help to develop it.
- In the prequel, Belgarath the Sorceror, as it becomes increasingly clear that the War of the Gods will be necessary, Belsambar, an Angarak exile, notes that because Angaraks build walls around everything, any attack on their cities would require the use of siege engines.
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These ships could operate with smaller crews than would otherwise be necessary for such large sailing ships by the use of steam-powered winches called "Steam Donkeys", which be used to pull lines that would otherwise require the raw strength of many men.
Source: Wooden Ships and Iron Men
Cite this Source
Require and Be necessary. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/be_necessary/require
Be necessary & Require. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/be_necessary/require>.
Require or Be necessary. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/be_necessary/require.
Google Ngram Viewer shows how "be necessary" and "require" have occurred on timeline