S: (n) upper (piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot) "Uppers come in many styles"
S: (n) toe box (the forward tip of the upper of a shoe or boot that provides space and protection for the toes) "the toe box may be rounded or pointed"
S: (n) amphetamine, pep pill, upper, speed (a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression)
S: (adj) high ((literal meaning) 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"