upper

US /ˈʌpɚ/

UK /ˈʌpə(r)/

B1
n. (c./u.)Noun (Countable/Uncountable)Drug that improves mood or increases energy
I will take an upper to help me study all night
n. (c./u.)Noun (Countable/Uncountable)Something happy or encouraging
Our time together on the beach was a real upper
adj.AdjectiveLocated above others of the same kind
My upper teeth are whiter than my lower teeth
n. (c./u.)Noun (Countable/Uncountable)Top part of a shoe, other than the flat bottom
This shoe upper is made of leather
adj.AdjectiveBeing the northern part of a region
The upper areas of the mountains are very cold
adj.AdjectiveBeing closer to the source of a river
I live in the upper river valley

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