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

Example Sentences

the uppermost floor of the house gets very hot in the summer
Recent Examples on the Web The hierarchy’s uppermost layer consists of servers that are closely connected to highly accurate clocks kept in tight synchronization with Coördinated Universal Time. Nate Hopper, The New Yorker, 30 Sep. 2022 Ticket prices are uppermost in the minds some fans, though. San Diego Union-Tribune, 3 Nov. 2022 With her first top 10 album, Nayeon is now included in the small-but-always-expanding group of K-pop acts that have become popular enough in America to chart at least one title inside the uppermost arena on the Billboard 200. Hugh Mcintyre, Forbes, 3 July 2022 One thing that’s not immediately apparent, looking at the uppermost lines of type in the lineup: women. Chris Willman, Variety, 12 Sep. 2022 When displayed against a wall or in a window, the union should be uppermost and to the flag's right and the observer's left. Sarah Martens, Better Homes & Gardens, 5 Sep. 2022 As of 2018, the uppermost 16.5 miles of the river met the state's water quality criterion for the first time since 1998. Tom Sissom, Arkansas Online, 4 Sep. 2022 The blaze near Weed erupted amid a National Weather Service red flag warning for the uppermost reaches of California as well as for southwest Oregon, where multiple fires were reported. Dennis Romero, NBC News, 2 Sep. 2022 Hyperion, the world’s tallest tree, rising 380 feet in Redwood National and State Parks, now has a viewing price almost as steep as its uppermost branches. Michael Cabanatuan, San Francisco Chronicle, 1 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uppermost.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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

Dictionary Entries Near uppermost

Cite this Entry

“Uppermost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uppermost. Accessed 2 Dec. 2022.

Kids Definition



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

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