Original
Original adjective - Coming before all others in time or order.
Underlying and original are semantically related in surface topic. In some cases you can use "Underlying" instead an adjective "Original".
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Original and underlying are semantically related in surface topic. Sometimes you can use "Original" instead an adjective "Underlying".
Mutual synonyms
Related pairs
Both words in one sentence
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The second season skipped directly to year two, and proceeded to turn it into an original alternate continuity without much of an underlying plot, filled to the brim with fanservice.
Source: Manga / Rosario + Vampire - The IP is licensed back to the original developers (who still own the underlying Hero System) for the pen-and-paper game.
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A special on The Terminator pointed out that the original movie unexpectedly attracted a sizable female audience who connected with the action movie's underlying love story.
Source: Periphery Demographic
Cite this Source
Underlying and Original. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/original/underlying
Original & Underlying. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/original/underlying>.
Underlying or Original. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/original/underlying.
Google Ngram Viewer shows how "original" and "underlying" have occurred on timeline