Meaning & Definition of Upright in English

1. A vertical structural member as a post or stake

• "The ball sailed between the uprights"

2. A piano with a vertical sounding board

1. In a vertical position

• Not sloping

• "An upright post"

2. Of moral excellence

• "A genuinely good person"

• "A just cause"

• "An upright and respectable man"

3. 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"