UPPER

Definition

1. adjective the topmost one of two.
2. adjective higher in place or position.
3. adjective superior in rank or accomplishment.
4. noun the higher of two berths. — synonyms: upper_berth
5. noun piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot.
6. noun a central nervous system stimulant that increases energy and decreases appetite. — synonyms: amphetamine, pep_pill, speed