Dictionary definition · upright
noun
- a vertical structural member as a post or stake"the ball sailed between the uprights"
- a piano with a vertical sounding board
adjective
- in a vertical position; not sloping"an upright post"
- of moral excellence"a genuinely good person"
- upright in position or posture"an erect stature"
Source: Open English WordNet (CC BY 4.0).