1. upper - noun
· the higher of two berths
Synonym(s): upper_berth
Hypernym(s): berth, bunk, built_in_bed
2. upper - noun
· 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"
Hypernym(s): piece_of_leather
3. upper - noun
· a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
Synonym(s): amphetamine, pep_pill, speed
Hypernym(s): stimulant, stimulant_drug, excitant, drug_of_abuse, street_drug
4. upper - adjective
· the topmost one of two
5. upper - adjective
· higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories"
6. upper - adjective
· superior in rank or accomplishment; "the upper half of the class"
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