[uhp-mohst or, esp. British, -muh st]
See more synonyms for upmost on Thesaurus.com

Origin of upmost

First recorded in 1550–60; up- + -most
Can be confusedupmost uppermost utmost
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for upmost

Historical Examples of upmost

  • His feet dangled on a level with the top of the upmost tree.


    Kirk Munroe

  • I could see that what was upmost in his mind was the fact that I had read 'Negations.'

    Seven Men

    Max Beerbohm

  • I am a most ardent admirer of yours; and the upmost extent of my ambition is to become an accepted one.

  • From the tier of the upmost holes came at length the terrific burst of the heavy mines.

    The Daughter of a Magnate

    Frank H. Spearman

  • The man steadied himself instantly, but the single instant cost the balance of the upmost figure.

    The Daughter of a Magnate

    Frank H. Spearman

British Dictionary definitions for upmost


  1. another word for uppermost
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