uppermost

adjective

up·​per·​most ˈə-pər-ˌmōst How to pronounce uppermost (audio)
: situated in the highest or most prominent position
the uppermost layer
safety was uppermost in their minds
uppermost adverb

Examples of uppermost in a Sentence

the uppermost floor of the house gets very hot in the summer
Recent Examples on the Web
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.
Twenty One Pilots stalled just outside that region on all three lists, but the single did break into the uppermost area on both airplay rosters. Hugh McIntyre, Forbes.com, 29 Aug. 2025 Starship ignited six of its own Raptor engines to continue powering itself into space, while the Super Heavy booster flipped around to fly tail-first and relit some of its engines in the uppermost reaches of the atmosphere to reverse course and boost itself back toward the Texas coastline. Stephen Clark, ArsTechnica, 27 Aug. 2025 Even with the wheels starting to come off the British empire (this show is basically a Downton prequel), a place in English nobility will give the Russell heiress an otherwise unattainable level of social power, stationing her on the uppermost echelon of global influence. Kathryn Vanarendonk, Vulture, 11 Aug. 2025 The fake pool has been designed to imitate the uppermost twenty feet of the real one as closely as possible, down to the contours of its sides, which are made not from rock but from plastic foam sealed with fibreglass. Elizabeth Kolbert, New Yorker, 9 Aug. 2025 See All Example Sentences for uppermost

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of uppermost was in the 15th century

Browse Nearby Words

Cite this Entry

“Uppermost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uppermost. Accessed 9 Sep. 2025.

Kids Definition

uppermost

adverb
up·​per·​most ˈəp-ər-ˌmōst How to pronounce uppermost (audio)
: in or into the highest or most prominent position
uppermost adjective

More from Merriam-Webster on uppermost

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!