Upper - Definition

adj 1: the topmost one of two
2: higher in place or position; "the upper bunk"; "in the upper
center of the picture"; "the upper stories"
3: superior in rank or accomplishment; "the upper half of the
class"
n 1: the higher of two berths [syn: upper berth, upper]
2: 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"
3: a central nervous system stimulant that increases energy and
decreases appetite; used to treat narcolepsy and some forms
of depression [syn: amphetamine, pep pill, upper,
speed]