A stimulant, such as amphetamine, that increases energy and decreases appetite. / (shoemaking) The piece of leather, etc., that forms the top part of a shoe above the sole.

At a higher level, rank or position. / Situated on higher ground, further inland, or more northerly. / (geology, of strata or geological time periods) younger, more recent

plural of upper / The parts of a pair of shoes that do not normally contact the ground.

One who fits the uppers to shoes.

plural of upperer

plural of upper chamber

plural of upper house

(informal) Someone or something who wakes people up. / (informal) rumble strip

(informal) Someone who looks things up

(informal) Someone who catches up