ˈʌpɹaɪt ˈʌpɹaɪt ˈvɜːtɪkəl ˈvɝtɪkəl ˈvɜːtɪkəl ˈvɝtɪkəl in a vertical position; not sloping an upright post 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 of moral excellence a genuinely good person a just cause an upright and respectable man a piano with a vertical sounding board a vertical structural member as a post or stake the ball sailed between the uprights