1. (noun) upright, vertical
a vertical structural member as a post or stake
Synonyms: upright piano, upright, vertical
Antonyms: inclined, horizontal, unrighteous
2. (adj) upright, upright piano
a piano with a vertical sounding board
Synonyms: upright piano, upright, vertical
Antonyms: horizontal, unrighteous, inclined
3. (adj) upright, unsloped
in a vertical position; not sloping
Synonyms: good, unsloped, vertical, erect, upright, just
Antonyms: inclined, horizontal, unrighteous
4. (adj) good, just, upright
of moral excellence
Synonyms: dear, good, beneficial, in effect(p), unspoiled, skillful, sound, secure, serious, effective, upright, salutary, in force(p), vertical, skilful, practiced, equitable, estimable, expert, just, erect, proficient, full, honest, unsloped, respectable, undecomposed, unspoilt, fair, ripe, safe, adept, honorable, dependable, well(p), right, near
Antonyms: horizontal, inclined, unrighteous
5. (adj) erect, vertical, upright
upright in position or posture
Synonyms: just, vertical, upright, good, perpendicular, erect, tumid, unsloped
Antonyms: inclined, horizontal, unrighteous
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Synonyms and Antonyms of upright 
