[ uhp-er-mohst or, esp. British, -muh st ]
/ ˈʌp ərˌmoʊst or, esp. British, -məst /

adjective Also upmost.

highest in place, order, rank, power, etc.: the uppermost peaks of the mountain; the uppermost class of society.
topmost; predominant: a subject of uppermost concern.


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.

Origin of uppermost

First recorded in 1475–85; upper1 + -most

Can be confused

upmost uppermost utmost
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for uppermost

British Dictionary definitions for uppermost


/ (ˈʌpəˌməʊst) /

adjective Also: upmost

highest in position, power, importance, etc


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