Upmost and 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.

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.
Cite this Source
Undermost and Upmost. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/upmost/undermost
Upmost & Undermost. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/upmost/undermost>.
Undermost or Upmost. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/upmost/undermost.
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