Noun uprightness has 3 senses
  1. erectness, uprightness - the property of being upright in posture
    --1 is a kind of stance
  2. verticality, verticalness, erectness, uprightness - position at right angles to the horizon
    --2 is a kind of position, spatial relation
  3. uprightness, rectitude - uprightness as a consequence of being honorable and honest
    --3 is a kind of righteousness