1. (

• upper_berth ,
• upper ,

) the higher of two berths ;

2. (

• 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" ;

3. (

• 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 ;

1. (

• upper

) the topmost one of two ;

2. (

• upper

) higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories" ;

3. (

• upper

) superior in rank or accomplishment; "the upper half of the class" ;