| Noun | 1. | upper - the higher of two berths | |
| 2. | upper - piece of leather that forms the part of a shoe or boot above the solequarter - piece of leather that comprises the part of a shoe or boot covering the heel and joining the vamp toe - the part of footwear that provides a covering for the toes vamp - piece of leather forming the front part of the upper of a shoe | |
| 3. | upper - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depressiondrug of abuse, street drug - a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction deoxyephedrine, meth, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, chicken feed, crank, chalk, trash, glass, ice - amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant | |
| Adj. | 1. | upper - higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories"high - (literal meanings) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high'); "a high mountain"; "high ceilings"; "high buildings"; "a high forehead"; "a high incline"; "a foot high" | |
| 2. | upper - the topmost one of twotop - situated at the top or highest position; "the top shelf" | |
| 3. | upper - superior in rank or accomplishment; "the upper half of the class"superior - of or characteristic of high rank or importance; "a superior officer" | |