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

At the uppermost end of the market, the numbers become even more striking. — Abby Montanez, Robb Report, 19 May 2026

The uppermost registers are just crisp enough to provide clarity and presence, despite the massive low-end. — Mark Knapp, PC Magazine, 8 May 2026

The thermometer hit 91 degrees F on the uppermost floor of a psychiatric unit, Lussiez said. — John Leicester, Los Angeles Times, 1 July 2026

Images from satellites in lunar orbit show that changes to the uppermost layer of the surface from a single landing can remain visible for decades. — Parvathy Prem, The Conversation, 14 May 2026

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