Noun

• S: (n) upper berth, upper (the higher of two berths)
• S: (n) upper (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"
• S: (n) amphetamine, pep pill, upper, speed (a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression)

Adjective

• S: (adj) upper (the topmost one of two)
• similar to
• antonym
• S: (adj) upper (higher in place or position) "the upper bunk"; "in the upper center of the picture"; "the upper stories"
• S: (adj) upper (superior in rank or accomplishment) "the upper half of the class"
• similar to
• antonym