English Reference

Word

uppermost

Phoneticsup·per·most, stress on the first syllable

US/ˈəpɝˌmoʊst/

UK/ˈʌpəmˌəʊst/

Definition

adj. most important or the one that is on the top. You use it to describe the thing that is most in your mind or the highest part of something.

adj. most prominent in the mind or most important in significance; alternatively, situated on the top or upper part of something. Often used in the phrase 'uppermost in one's mind'.

Examples

“The safety of the children is uppermost in my mind.”

“When planning the new office layout, the architect ensured that the uppermost priority was natural light and open space.”

“While the technical specifications were impressive, the uppermost concern for the board remained the long-term sustainability of the project and its impact on the local community.”

Examples

simple

“The safety of the children is uppermost in my mind.”

contextual

“When planning the new office layout, the architect ensured that the uppermost priority was natural light and open space.”

complex

“While the technical specifications were impressive, the uppermost concern for the board remained the long-term sustainability of the project and its impact on the local community.”

Real-World Examples

“Now, as they celebrate, or hurriedly activate, their plan B, the day-to-day costs of student life probably aren’t uppermost in their mind.”
The Guardian 15 Aug 2026
“Orbiting satellites can examine the lunar surface, but their instruments mainly detect material in the uppermost layer of soil.”
ScienceDaily 3 Aug 2026

Etymology

From Middle English upper-moste; equivalent to upper + -most.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

uppermost(C2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 6.0114–120
Frequency
Occasional
Level
C2 · Proficiency
Updated

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