Apex and Underside

Opposite meaning words

Apex noun - The highest part or point.

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Underside is an antonym for apex.

Underside noun - The side or part facing downward from something.

Usage example: the underside of the cat's coat is pure white

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Apex is an antonym for underside.

Cite this Source

Underside and Apex. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/apex/underside

Apex & Underside. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/apex/underside>.

Underside or Apex. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/apex/underside.

Google Ngram Viewer shows how "apex" and "underside" have occurred on timeline