Complex
Complex adjective - Having many parts or aspects that are usually interrelated.
Underlying is an antonym for complex.
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Usage example: the underlying differences between democracy and dictatorship
Complex is an antonym for underlying.
Both words in one sentence
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The game is a very complex Morality Kitchen Sink, but this is an underlying theme of the series.
Source: Order Versus Chaos -
Apparently the equations underlying it were so complex that anybody who studied them would go insane.
Source: Brown Note -
The DVD commentary for Red Eye has Wes Craven giving out more background information, such as Rippner's complex mindset and the strange, underlying chemistry between Rippner and Lisa.
Source: DVD Commentary
Cite this Source
Underlying and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/underlying
Complex & Underlying. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/underlying>.
Underlying or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/underlying.
Google Ngram Viewer shows how "complex" and "underlying" have occurred on timeline