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uppermost

American  
[uhp-er-mohst, -muhst] / ˈʌp ərˌmoʊst, -məst /

adjective

  1. highest in place, order, rank, power, etc..

    the uppermost peaks of the mountain; the uppermost class of society.

  2. topmost; predominant.

    a subject of uppermost concern.


adverb

  1. in or into the uppermost place, rank, or predominance.

    The blossoms grow uppermost on the stems of these flowers; the thoughts that came uppermost to her mind.

uppermost British  
/ ˈʌpəˌməʊst /

adjective

  1. highest in position, power, importance, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. in or into the highest position, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of uppermost

First recorded in 1475–85; upper 1 + -most

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In one chaos terrain that formed within an ancient impact crater, the uppermost layers contain polyhydrated sulfates.

From Science Daily Mar. 10, 2026

This week, the builders placed the uppermost beam on the 12-story inn set to be completed next September, in time for Super Bowl 61 scheduled to happen the following February at SoFi.

From Los Angeles Times Sep. 12, 2025

None of them are risk free, and uppermost in the minds of those taking the decisions will be the survival of the Islamic Republic regime.

From BBC Jun. 22, 2025

As with other social media platforms, you can filter your feed to see only content by people you’re following in the uppermost tabs.

From Slate Jan. 16, 2025

I watched helplessly for fifteen minutes as she struggled to haul herself up the uppermost brow of rock, too exhausted to manage it.

From "Into Thin Air" by Jon Krakauer

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