up·​per·​most | \ˈə-pər-ˌmōst \

Definition of uppermost 

: situated in the highest or most prominent position the uppermost layer safety was uppermost in their minds

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Other Words from uppermost

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

Human skin normally absorbs a small amount of oxygen in order to sustain the uppermost layer of skin cells, but Keeton said his skin absorbs more oxygen than usual, causing his oxygen levels to be 23 percent higher than normal levels. Elena Weissmann, Milwaukee Journal Sentinel, "Meet Kenosha's Jamie 'Can Head' Keeton, the human suction cup," 12 July 2018 From the Post’s report: Complicating matters is that executives in the uppermost ranks of Facebook, Google and Twitter are some of the most outspoken corporate foes of Trump. Alex Shephard, The New Republic, "How Conservatives Are Hoodwinking Big Tech," 29 June 2018 Ulysses Grant forgave all but the uppermost ranks of Confederate traitors. Matt Ford, The New Republic, "The Problem With Trump’s Pardons," 1 June 2018 When hung horizontally or vertically against a wall or in a window, the flag must be flat and the union should be uppermost and to the flag's own right (the viewer's left). Country Living Staff, Country Living, "American Flag Etiquette: Here's How to Properly Display the American Flag," 25 May 2018 But if the lava lake level falls below the water table, the uppermost groundwater can seep into the open tube and drop down into the magma, flashing to steam. Scott K. Johnson, Ars Technica, "Here’s what’s going on with Hawaii’s erupting volcano," 11 May 2018 Consequences are rarely uppermost in the mind of the entitled Henry Wilcox. David Wiegand, San Francisco Chronicle, "Stunning new ‘Howards End’ connects with social change," 4 Apr. 2018 Following the death of Sudan, the rhinos are uppermost in his mind. Kate Connolloy, WIRED, "How a Store of Rhino Semen Could Save the Species," 26 Mar. 2018 Large pockets of seats were empty throughout the stadium, and the uppermost sections were almost completely bare. Joey Guerra, Houston Chronicle, "Bun B helps Leon Bridges liven up Black Heritage Day at RodeoHouston," 3 Mar. 2018

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.

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First Known Use of uppermost

15th century, in the meaning defined above

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Time Traveler for uppermost

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

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More Definitions for uppermost



English Language Learners Definition of uppermost

: highest in position or importance


up·​per·​most | \ˈə-pər-ˌmōst \

Kids Definition of uppermost

1 : farthest up the uppermost branches of a tree

2 : being in the most important position The thought is uppermost in my mind.

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Comments on uppermost

What made you want to look up uppermost? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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