Undermost and Upmost

Undermost

Undermost adjective - Of, relating to, or located at the bottom.
Usage example: the undermost layer of the mattress filling should provide firm back support

Upmost is an antonym for undermost.

Upmost

Upmost adjective - Being at a point or level higher than all others.
Usage example: the upmost floor of the building

Undermost is an antonym for upmost.
Cite this Source
Upmost and Undermost. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/undermost/upmost
Undermost & Upmost. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/undermost/upmost>.
Upmost or Undermost. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/undermost/upmost.
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