uppermost

adjective

up·​per·​most ˈə-pər-ˌmōst 

: situated in the highest or most prominent position

the uppermost layer

safety was uppermost in their minds

uppermost adverb

Synonyms

• highest
• loftiest
• top
• topmost
• upmost

Examples of uppermost in a Sentence

the uppermost floor of the house gets very hot in the summer

Recent Examples on the Web

How the continents formed Earth’s uppermost layer, the lithosphere, is made up of the rigid crust and the top part of the mantle, which is in a denser, but more fluid state. —Taylor Nicioli, CNN Money, 18 Apr. 2025

Its lower levels contain the hotel and the Kings’ executive offices, with the uppermost levels reserved for the residences. —David Caraccio, Sacramento Bee, 7 Mar. 2025

At this point, more than half of his solo entries have made it into the uppermost region. —Hugh McIntyre, Forbes.com, 31 Mar. 2025

Pyramid begin at $115 per square foot and can reach up to $300 per square foot on the uppermost floors, placing it among the most premium office addresses in the country, alongside Manhattan’s One Vanderbilt and 425 Park Avenue. —Jennifer Lee, Forbes, 26 Mar. 2025

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing uppermost

• foremost/uppermost in someone's mind

Rhymes for uppermost

• diagnosed
• easternmost
• innermost
• lowermost
• milepost
• northernmost
• outermost
• rearmost
• southernmost
• uttermost
• westernmost
• almost

Kids Definition

uppermost

adverb

up·​per·​most ˈəp-ər-ˌmōst 

: in or into the highest or most prominent position

uppermost adjective