Definitions of upright:

  • noun:   a piano with a vertical sounding board
  • noun:   a vertical structural member as a post or stake
    Example: "The ball sailed between the uprights"
  • adjective:   in a vertical position; not sloping
    Example: "An upright post"
  • adjective:   maintaining an erect position
  • adjective:   upright in position or posture
    Example: "He sat bolt upright"
  • adjective:   of moral excellence
    Example: "An upright and respectable man"
  • adjective:   erect in posture
  • name:  A surname (very rare: popularity rank in the U.S.: #25947)