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
Relevance
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for undermost
Adjective
-
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
-
The bottom 12 clubs inched up only 2% on average, and a trio of teams—the San Jose Earthquakes, Vancouver Whitecaps and CF Montréal—fell in value.—
Kurt Badenhausen,
Sportico.com,
10 Feb. 2026
-
At Meta, which in January announced layoffs affecting 1,000 employees, workers will now be categorized into the top 20%, a middle 70%, a lower 7% and the bottom 3%, BI separately reported, citing an internal employee memo.—
Sarah Jackson,
CNBC,
10 Feb. 2026
Adjective
-
Boxer Imane Khelif admitted to having the SRY gene, located on the Y chromosome, which is found in biological males, and undergoing hormone treatments to lower testosterone levels ahead of the 2024 Olympics in an interview with the French sports publication L'Equipe.—
Jackson Thompson,
FOXNews.com,
6 Feb. 2026
-
The appeals court sent the case back to the lower court to amend the 2024 ruling.—
Arkansas Online,
Arkansas Online,
6 Feb. 2026
Adjective
-
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
-
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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Undermost.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermost. Accessed 14 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
