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

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.

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

Used other than figuratively or idiomatically: see upper, crust. The topmost layer of a bread, pastry dish, or other item with a hardened coating.

plural of upper crust

Alternative form of upper-crust

The capital letters A, B, C, ... as opposed to the small letters a, b, c, ....

The uppermost side of anything