Necessary
Necessary adjective - Impossible to avoid or evade.
Usage example: taxes will always be a necessary evil
Unavoidable is a synonym for necessary in inevitable topic. In some cases you can use "Unavoidable" instead an adjective "Necessary", when it comes to topics like essential. popular alternative
Nearby Words: necessity, necessarily
Unavoidable
Unavoidable adjective - Impossible to avoid or evade.
Usage example: unfortunately, kitchen duty will be unavoidable tonight
Necessary is a synonym for unavoidable in inevitable topic. You can use "Necessary" instead the word "Unavoidable" as an adjective or a noun, if it concerns topics such as inescapable, bound to happen. popular alternative
Nearby Word: unavoidably
Mutual synonyms
Related pairs
- certain and necessary
- certain and unavoidable
- inexorable and necessary
- inexorable and unavoidable
- needed and necessary
- needed and unavoidable
- mandatory and necessary
- mandatory and unavoidable
- essential and necessary
- essential and unavoidable
- required and necessary
- required and unavoidable
- imperative and necessary
- imperative and unavoidable
Both words in one sentence
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They even state that having casualties from the planes are unavoidable and necessary at this point.
Source: Ramming Always Works - The goddess Kali from Indian mythology; representing Time, Change and Death, she is an unfortunate and unavoidable, but an ultimately necessary, "evil".
Source: Names To Run Away From / K Names -
Unnecessary Combat Roll: Actually, it's very necessary to a point some bullet patterns are unavoidable without it.
Source: Video Game / Enter the Gungeon
Cite this Source
Unavoidable and Necessary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/necessary/unavoidable
Necessary & Unavoidable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/necessary/unavoidable>.
Unavoidable or Necessary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/necessary/unavoidable.
Google Ngram Viewer shows how "necessary" and "unavoidable" have occurred on timeline