Upper

adjective
1.
higher, as in place, position, pitch, or in a scale:
the upper stories of a house; the upper register of a singer’s voice.
2.
superior, as in rank, dignity, or station.
3.
(of places) at a higher level, more northerly, or farther from the sea:
the upper slopes of a mountain; upper New York State.
4.
(often initial capital letter) Stratigraphy. denoting a later division of a period, system, or the like:
the Upper Devonian.
noun
5.
the part of a shoe or boot above the sole, comprising the quarter, vamp, counter, and lining.
6.
an upper berth.
7.
a gaiter made of cloth.
Compare gaiter (def 1).
8.
Usually, uppers.

an upper dental plate.
an upper tooth.

9.
Informal. the higher of two bunks or berths.
Idioms
10.
on one’s uppers, Informal. reduced to poverty; without sufficient means:
They are on their uppers but manage to hide the fact from their friends.
noun, Slang.
1.
a stimulant drug, especially an amphetamine.
2.
a pleasant or elating experience, person, or situation.
adjective
1.
higher or highest in relation to physical position, wealth, rank, status, etc
2.
(capital when part of a name) lying farther upstream, inland, or farther north: the upper valley of the Loire
3.
(capital when part of a name) (geology, archaeol) denoting the late part or division of a period, system, formation, etc: Upper Palaeolithic
4.
(maths) (of a limit or bound) greater than or equal to one or more numbers or variables
noun
5.
the higher of two objects, people, etc
6.
the part of a shoe above the sole, covering the upper surface of the foot
7.
on one’s uppers, extremely poor; destitute
8.
(informal) any tooth of the upper jaw
9.
(slang) Also called (esp US) up. any of various drugs having a stimulant or euphoric effect Compare downer
upper
(ŭp’ər)
Being a later or more recent division of the geological or archaeological period named. Compare lower.
upmanship