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 of uppermost

• highest
• top
• upper
• higher

Examples of uppermost in a Sentence

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

Recent Examples on the Web

Caused by an interaction between Earth's magnetic field and the sun's solar wind, the northern lights, also known as aurora borealis, are most commonly viewable in the uppermost areas of the Northern Hemisphere. —Kelli Arseneau, jsonline.com, 12 Nov. 2025

The uppermost floors host an executive and client facility. —New Atlas, 26 Oct. 2025

Dubhe is the uppermost star; Merak is below it. —Jesse Emspak, Space.com, 20 Oct. 2025

The execution of the simplex algorithm from start to finish, represented geometrically, involves finding the path — from, say, the bottom vertex to the uppermost point — that involves the fewest steps or, equivalently, traces the fewest edges. —Quanta Magazine, 13 Oct. 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