upright, vertical -- (a vertical structural member as a post or stake; "the ball sailed between the uprights")
upright, upright piano -- (a piano with a vertical sounding board)
Overview of adj upright
The adj upright has 3 senses
upright, unsloped -- (in a vertical position; not sloping; "an upright post")
good, just, upright -- (of moral excellence; "a genuinely good person"; "a just cause"; "an upright and respectable man")
erect, vertical, upright -- (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")
(Sound)
