Adjective upright has 5 senses
  1. upright, unsloped - in a vertical position; not sloping; "an upright post"
    Antonym: inclined (indirect, via horizontal, vertical)
    Antonym: horizontal (indirect, via vertical, inclined)
  2. good, just, upright, virtuous - of moral excellence; "a genuinely good person"; "a just cause"; "an upright and respectable man"; "the life of the nation is secure only while the nation is honest, truthful, and virtuous"- Frederick Douglass
    Antonym: unrighteous (indirect, via righteous)
  3. straight, unbent, unbowed, upright - erect in posture; "behind him sat old man Arthur; he was straight with something angry in his attitude"; "stood defiantly with unbowed back"
    Antonym: unerect (indirect, via erect)
  4. standing, upright - maintaining an erect position; "standing timber"; "many buildings were still standing"
  5. erect, vertical, upright - upright in position or posture; "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright"
,Noun upright has 2 senses
  1. upright, vertical - a vertical structural member as a post or stake; "the ball sailed between the uprights"
    --1 is a kind of structural member
    --1 is a part of goalpost
    --1 has particulars:
     column, pillar; jamb; post; scantling, stud; shaft, scape; stile
  2. upright, upright piano - a piano with a vertical sounding board
    --2 is a kind of piano, pianoforte, forte-piano
    --2 has particulars: spinet