upper

higher in place or position

the upper bunk

in the upper center of the picture

superior in rank or accomplishment

the upper half of the class

the topmost one of two

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

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

the higher of two berths