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upper
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As an adjective, upper means at a higher level, rank or position. As a noun, it means a stimulant, such as amphetamine, that increases energy and decreases appetite.
Meanings of upper
17 meaningsadjective
At a higher level, rank or position.
Situated on higher ground, further inland, or more northerly.
geologyof stratageological time periodsYounger, more recent
educationOf or pertaining to a secondary school.
Superior in rank or accomplishment
“the upper half of the class”
noun
A stimulant, such as amphetamine, that increases energy and decreases appetite.
The upper portion of something
shoemakingThe piece of leather, etc., that forms the top part of a shoe above the sole.
footwearThe Y-shaped strap on flip-flops.
Someone with higher social standing
A senior student.
That which is higher, contrasted with the lower.
A tooth in the upper jaw.
A denture or retainer for the teeth in the upper jaw.
An upper berth or bunk.
taoismA spiritual passageway through which consciousness can reach a higher dimension.
A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
Similar: amphetamine, pep pill, speed
Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).