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
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Place bottom half, cut side up, in reserved pan.—
Jesse Szewczyk,
Bon Appetit Magazine,
27 Jan. 2026
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In the second quarter of 2025, according to the Federal Reserve, the combined wealth of the country’s richest 10% reached a record $113 trillion — or more than double the total wealth of everyone else, and approximately 27 times the wealth of the country’s bottom 50%.—
Trevor Bach,
Dallas Morning News,
26 Jan. 2026
Adjective
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Previously, just one satellite in the program had reached low Earth orbit — NEONSAT-1, which flew atop an Electron in April 2024.—
Mike Wall,
Space.com,
30 Jan. 2026
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Rieder is believed to prefer lower interest rates, a top priority for a president who wants massive rate cuts.—
Matt Egan,
CNN Money,
30 Jan. 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 1 Feb. 2026.
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