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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
  • Thursday’s was a few paces across the hall on the bottom floor of Kauffman Stadium.
    — Pete Grathoff, Kansas City Star, 25 Sep. 2026
  • While a chef prepared cut vegetables, four droppings were on the bottom shelf of the table, and 13 droppings were elsewhere.
    — David J. Neal, Miami Herald, 25 Sep. 2026
Definition of bottom
Adjective
  • The ground floor is dedicated to womenswear and accessories, with menswear and accessories on the lower level.
    — Miles Socha, Footwear News, 30 Sep. 2026
  • Four add-ons—acupuncture, intralipid infusion (fat injections intended to regulate the immune system) and platelet-rich-plasma (PRP), or blood injections, in the uterus and ovaries—had either mixed evidence or low quality data backing them up.
    — Jackie Flynn Mogensen, Scientific American, 30 Sep. 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 30 Sep. 2026.

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