Is necessary
Requires and is necessary are semantically related. in should topic. In some cases you can use "Requires" instead a verb phrase "Is necessary".
Requires
Is necessary and requires are semantically related. You can use "Is necessary" instead a verb "Requires".
Mutual synonyms
Related pairs
- must and is necessary
- must and requires
- ought to and is necessary
- ought to and requires
- should and is necessary
- should and requires
- would and is necessary
- would and requires
- have to and is necessary
- have to and requires
- had better and is necessary
- had better and requires
- behooves and is necessary
- behooves and requires
Both terms in one sentence
- This change is necessary because the plot of "Luna Eclipsed" requires everypony to believe that Luna is still Nightmare Moon.
- It requires careful management by professionals willing to do whatever is necessary to keep things running smoothly... Everyone Calls Him "Barkeep": The Major.
Source: Literature / Daemon - This is necessary to obtain an achievement/trophy in Dragon Age II: It requires that none of your party members fall in battle for a single year in Kirkwall (which would count as approximately a third of the game).
Source: No Casualties Run
Cite this Source
Requires and Is necessary. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/is_necessary/requires
Is necessary & Requires. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/is_necessary/requires>.
Requires or Is necessary. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/is_necessary/requires.
Google Ngram Viewer shows how "is necessary" and "requires" have occurred on timeline