Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Regular and necessary are semantically related. In some cases you can use "Regular" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Both words in one sentence
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Bigger Stick: New weapons and Mobile Suits are necessary at regular intervals if you want to survive.
Source: Video Game / MS Saga: A New Dawn -
Their regular ambulance crew includes two "security personnel" whose task is to pacify the pickup zone if necessary.
Source: Combat Medic - A plane that will quickly sap you of the will necessary to leave it and has lots of powerful guardians, but a regular plane nevertheless.
Source: Escaped from Hell
Cite this Source
Regular and Necessary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/necessary/regular
Necessary & Regular. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/necessary/regular>.
Regular or Necessary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/necessary/regular.
Google Ngram Viewer shows how "necessary" and "regular" have occurred on timeline