1. (noun) upright, vertical
a vertical structural member as a post or stake
"the ball sailed between the uprights"
2. (adj) upright, upright piano
a piano with a vertical sounding board
3. (adj) upright, unsloped
in a vertical position; not sloping
"an upright post"
4. (adj) good, just, upright
of moral excellence
"a genuinely good person"; "a just cause"; "an upright and respectable man"
5. (adj) 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"
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Definition of 'upright' 
