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The meaning of UPPER is higher in physical position, rank, or order. How to use upper in a sentence.

Idiom be on your uppers (Definition of upper from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

You use upper to describe something that is above something else. There is a smart restaurant on the upper floor. Students travel on the cheap lower deck and tourists on the upper.

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1 day ago · Adjective upper (comparative (rare) uppermore, superlative uppermost) At a higher level, rank or position. Situated on higher ground, further inland, or more northerly. (geology, of …

Use the adjective upper to describe something that's the highest or top in position or rank. Your upper arm is above your lower arm, and the upper bunk on your bunkbed is closest to the …