UNDERMOST Synonyms: 32 Similar and Opposite Words

undermost

adjective

ˈən-dər-ˌmōst

Definition of undermost

as in lower

of, relating to, or located at the bottom the undermost layer of the mattress filling should provide firm back support

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Example Sentences

Recent Examples of Synonyms for undermost

Adjective

Despite those lower court rulings, the practice has continued nationally, said Gregory Chen, the senior director of government relations for the Immigration Lawyers Association.

— Seth Klamann, Denver Post, 3 Sep. 2025
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

Definition of lower

Adjective

The Angels scored the game’s first run in the top of the first on Nolan Schanuel’s RBI single, but the Giants responded by taking the lead in the bottom half of the inning on Devers’ two-run homer off Grayson Rodriguez down the left-field line.

— Justice delos Santos, Mercury News, 25 July 2026
The average 1%-er holds 456 times more wealth than someone in the bottom half of the population.

— Emma Burleigh, Fortune, 24 July 2026

Definition of bottom

Adjective

The administration had appealed two lower court rulings that blocked the termination.

— Jacqueline Charles, Miami Herald, 22 July 2026
Along with affordable homes, Lupo said, the best cities for first-time buyers also provide lower crime rates, good schools and a lower overall cost of living.

— Sacbee.com, Sacbee.com, 22 July 2026

Definition of low

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

Definition of lowermost

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Browse Nearby Words

undermining

undermost

underneath

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“Undermost.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermost. Accessed 31 Jul. 2026.

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Synonyms of undermost

adjective

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