upper

Primary Meanings of upper

1.
adjn
higher in place or position
the higher of two berths
2.
n
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
Full Definitions of upper
1

adj higher in place or position

“the upper bunk”
“in the upper center of the picture”
“the upper stories”
Synonyms:
high
(literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high')

adj the topmost one of two

Synonyms:
top
situated at the top or highest position

adj superior in rank or accomplishment

“the upper half of the class”
Synonyms:
superior
of or characteristic of high rank or importance

n the higher of two berths

Synonyms:
upper berth
Type of:
berth, built in bed, bunk
a bed on a ship or train; usually in tiers

n piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot

Uppers come in many styles”
Types:
toe box
the forward tip of the upper of a shoe or boot that provides space and protection for the toes
Type of:
piece of leather
a separate part consisting of leather
2

n a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

Types:
amphetamine sulfate, amphetamine sulphate
a sulfate derivative of amphetamine that is used as a stimulant for the central nervous system
Benzedrine, bennie
a form of amphetamine
Dexedrine, dextroamphetamine sulphate
an isomer of amphetamine (trade name Dexedrine) used as a central nervous system stimulant
Type of:
drug of abuse, street drug
a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
excitant, stimulant, stimulant drug
a drug that temporarily quickens some vital process