Fundamental
Fundamental adjective - Of or relating to the simplest facts or theories of a subject.
Usage example: the purpose of the course is to furnish students with fundamental knowledge of human reproduction
Underlying is a synonym for fundamental in basic topic. In some cases you can use "Underlying" instead an adjective "Fundamental", when it comes to topics like surface. popular alternative
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Usage example: the underlying differences between democracy and dictatorship
Fundamental is a synonym for underlying in surface topic. You can use "Fundamental" instead the word "Underlying" as an adjective or a noun. popular alternative
Mutual synonyms
Related pairs
- root and fundamental
- root and underlying
- prime and fundamental
- prime and underlying
- original and fundamental
- original and underlying
- principal and fundamental
- principal and underlying
- primitive and fundamental
- primitive and underlying
- intrinsic and fundamental
- intrinsic and underlying
- inherent and fundamental
- inherent and underlying
Both words in one sentence
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Grinding Gear Games challenged some fundamental notions underlying Diablo-like games to create a new take on the sub-genre that is both familiar and incredibly fresh.
Source: Video Game / Path of Exile
Cite this Source
Underlying and Fundamental. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fundamental/underlying
Fundamental & Underlying. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fundamental/underlying>.
Underlying or Fundamental. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fundamental/underlying.
Google Ngram Viewer shows how "fundamental" and "underlying" have occurred on timeline