undermost

adjective

ˈən-dər-ˌmōst How to pronounce undermost (audio)
Definition of undermostnext
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
  1. lower
  2. bottom
  3. low
  4. lowermost
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
  • Families in the bottom one-fourth of income median net worth declined 6% while average net worth fell 4%.
    — Jeff Cox, CNBC, 9 Oct. 2026
  • The top half of NBA clubs increased 26% on average, while the bottom four teams ticked up just 5% on average.
    — Kurt Badenhausen, Sportico.com, 9 Oct. 2026
Definition of bottom
Adjective
  • Jaguar also built a car with long, low proportions that are unique in its segment and required a new platform.
    — Erik Shilling, Robb Report, 7 Oct. 2026
  • Set the scene For a hotel with some of the priciest rooms in the city, Capella Bangkok feels decidedly low key.
    — Condé Nast, Condé Nast Traveler, 7 Oct. 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
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.

Browse Nearby Words

undermining
undermost
underneath
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Cite this Entry

“Undermost.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undermost. Accessed 14 Oct. 2026.

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