Imperative
Imperative adjective - Forcing one's compliance or participation by or as if by law.
Usage example: reporting signs of physical abuse is now an imperative duty for hospital and school personnel
Necessary is a synonym for imperative in essential topic. In some cases you can use "Necessary" instead the word "Imperative" as an adjective or a noun, when it comes to topics like obligation, need, requirement, mandatory. popular alternative
Nearby Words: imperious, imperatively
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
Imperative is a synonym for necessary in essential topic. You can use "Imperative" instead the word "Necessary" as an adjective or a noun, if it concerns topics such as required, obligation, need, needed. popular alternative
Nearby Words: necessity, necessarily
Mutual synonyms
Related pairs
- need and imperative
- need and necessary
- necessity and imperative
- necessity and necessary
- critical and imperative
- critical and necessary
- requirement and imperative
- requirement and necessary
- needed and imperative
- needed and necessary
- mandatory and imperative
- mandatory and necessary
- essential and imperative
- essential and necessary
Both words in one sentence
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However upon arriving in Vegas Duke and his attorney Dr.Gonzo (who may have been Samoan) found it to be imperative to get to the bottom of the American dream by any means necessary.
Source: Intrepid Reporter -
Their brutal conquest and destruction of other species is more of a survival imperative bred into them when they evolved on a resource-poor world rather than true malice, and is seen as necessary if their species is to survive and prosper.
Source: Lawful Evil
Cite this Source
Necessary and Imperative. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/imperative/necessary
Imperative & Necessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/imperative/necessary>.
Necessary or Imperative. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/imperative/necessary.
Google Ngram Viewer shows how "imperative" and "necessary" have occurred on timeline