- in a place or on a level above another: upper lip, upper jaw, upper floor
- higher in rank, authority, or dignity: the upper classes
- being farther north, farther inland, or at a higher elevation of land: the upper St. Lawrence
- [U-] more recent; later: used of a division of a period [Upper Cambrian, Upper Paleolithic]
Origin of upperME, comparative of up, up
- the part of a shoe or boot above the sole
- Informal an upper berth, as in a Pullman car
- [pl.]Informal the upper teeth or dentures
- Slang any drug containing a stimulant; esp., an amphetamine
on one's uppersInformal
in need or want: with reference to wearing shoes with worn-out soles
- Higher in place, position, or rank: the upper bunk; the upper half of the class.
- a. Situated on higher ground: upper regions.b. Lying farther inland: the upper Nile.c. Northern: the upper Midwest.
- Upper Geology & Archaeology Of, relating to, or being a later division of the period named.
- Denoting the smaller and usually less broadly representative house of a bicameral legislature.
- The part of a shoe or boot above the sole.
- Informal An upper berth.
- uppers Informal The upper teeth or a set of upper dentures.
- Slang a. A drug, especially an amphetamine, used as a stimulant.b. An exhilarating or euphoric experience.
- on one's uppers "” destitute