Natural
Natural adjective - Being such from birth or by nature.
Underlying and natural are semantically related. In some cases you can use "Underlying" instead an adjective "Natural".
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Natural and underlying are semantically related. Sometimes you can use "Natural" instead an adjective "Underlying".
Mutual synonyms
Related pairs
Both words in one sentence
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Leylines are arguably the underlying concept of Draw Points in Final Fantasy VIII, which are depicted as fissures in the ground that stream with magical energy, not unlike a natural gasline.
Source: Ley Line -
Clicker Heroes is a game built on exponentiation, so the level caps are only limited by the natural limitations of the underlying data type.
Source: Absurdly High Level Cap - Some might even speculate that at one point the series had very few cookie-cutter stupid characters, perhaps as an underlying satire that most human stupidity is rarely involuntary or a natural trait.
Cite this Source
Underlying and Natural. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/natural/underlying
Natural & Underlying. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/natural/underlying>.
Underlying or Natural. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/natural/underlying.
Google Ngram Viewer shows how "natural" and "underlying" have occurred on timeline