as in lower
of, relating to, or located at the bottom
the undermost layer of the mattress filling should provide firm back support
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for undermost
Adjective
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And ultimately, the Supreme Court overruled those lower court rulings and did declare the embryos as children qualifying under the wrongful death statute.—
Dana Taylor,
USA TODAY,
1 Mar. 2024 -
Lower gas demand amid increasing supply has led to lower pump prices.—
Frank Witsil,
Detroit Free Press,
19 June 2023
Adjective
-
At planting time, add potting mix up to the pot’s bottom openings, then position the pipe vertically in the center.—
ABC News,
ABC News,
7 Apr. 2026
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Meanwhile, Laurence, Rhoda, and Oscar make the bottom three, which is another disappointing turnout for the former two, whose mochi trio in the previous episode was dinged, too.—
Roxana Hadadi,
Vulture,
7 Apr. 2026
Adjective
-
Independent opinion polls show support for Fidesz has dropped to its lowest level in years.—
Kapil Komireddi,
New Yorker,
10 Apr. 2026
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The Oilers scored on all three power-play chances in the best performance for that unit since Leon Draisaitl went down with a lower-body injury on March 15 after scoring with the man advantage early in that game.—
ABC News,
ABC News,
9 Apr. 2026
Adjective
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But others have argued that the helium-3 could instead be coming from somewhere deep and stable in the lowermost mantle.—
Quanta Magazine,
Quanta Magazine,
4 Aug. 2025
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In the 1920s, a surgeon named Frederick Barrington, of University College London, went looking for the on-off switch in the brainstem, the lowermost part of the brain that connects with the spinal cord.—
Emily Underwood,
Smithsonian Magazine,
5 June 2024
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Cite this Entry
“Undermost.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermost. Accessed 15 Apr. 2026.
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