Mandatory
Mandatory adjective - Forcing one's compliance or participation by or as if by law.
Usage example: the tests are mandatory for all students wishing to graduate
Necessary is a synonym for mandatory in obligation topic. In some cases you can use "Necessary" instead an adjective "Mandatory", when it comes to topics like requisite, obligatory. popular alternative
Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Usage example: an emissions test is necessary before you can renew the registration for your car
Mandatory is a synonym for necessary in obligatory topic. You can use "Mandatory" instead an adjective "Necessary", if it concerns topics such as obligation, needed, essential, required. popular alternative
Nearby Words: necessity, necessarily
Mutual synonyms
Related pairs
- involuntary and mandatory
- involuntary and necessary
- binding and mandatory
- binding and necessary
- needed and mandatory
- needed and necessary
- essential and mandatory
- essential and necessary
- required and mandatory
- required and necessary
- imperative and mandatory
- imperative and necessary
- indispensable and mandatory
- indispensable and necessary
Both words in one sentence
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Unfortunately (for her), her innate ability to communicate with animals makes her a mandatory and necessary teammate.
Source: The Drag-Along -
Necessary Drawback: Your Presidente has a number of mandatory positive and negative traits, and even those usually have positive and negative sides to them.
Source: Video Game / Tropico - Mandatory Unretirement: After giving up politics, Amir gets dragged in again when Birgitte picks him as her necessary Arabic-speaking and Islamic representative in the Kharun peace talks.
Source: Series / Borgen
Cite this Source
Necessary and Mandatory. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/mandatory/necessary
Mandatory & Necessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/mandatory/necessary>.
Necessary or Mandatory. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/mandatory/necessary.
Google Ngram Viewer shows how "mandatory" and "necessary" have occurred on timeline