upper

[1]	upper berth
[2]	amphetamine , pep pill , speed
[3]	on (one's) uppers , poor , indigent , destitute , poverty-stricken , (Colloq) broke

adj.

[1]	higher (up) , loftier , topmost , more elevated , uppermost
[2]	higher , upland , more elevated , (more) northerly , northern
[3]	later , more recent
[4]	upper case , capital letter(s) , capital(s) , majuscule (letters/characters)
[5]	upper crust , upper class , elite , aristocrats , nobles , blue bloods , wealthy , (US) Four Hundred
[6]	upper hand , advantage , control , authority , power , sway , superiority , supremacy , command , dominance , ascendancy , (Colloq) edge