upright upright /ˈʌˌpraɪt/

adjective

1. () In a vertical position; not sloping  ( unsloped , upright )
   in a vertical position; not sloping
    An upright post
   an upright post
   
2. () Of moral excellence  ( just , upright , good )
   of moral excellence
    A genuinely good person
   a genuinely good person
    A just cause
   a just cause
    An upright and respectable man
   an upright and respectable man
   
3. Upright in position or posture  ( upright , vertical , erect )
   upright in position or posture
    An erect stature
   an erect stature
    Erect flower stalks
   erect flower stalks
    For a dog, an erect tail indicates aggression
   for a dog, an erect tail indicates aggression
    A column still vertical amid the ruins
   a column still vertical amid the ruins
    He sat bolt upright
   he sat bolt upright
   

noun

1. A piano with a vertical sounding board  ( upright , upright piano )
   a piano with a vertical sounding board
   
   
2. A vertical structural member as a post or stake  ( upright , vertical )
   a vertical structural member as a post or stake
    The ball sailed between the uprights
   the ball sailed between the uprights