15 entries under upright topic. ×

5
erect(adjective, straight, vertical, upstanding)
5
perpendicular(adjective, straight, erect, vertical)
5
vertical(adjective, straight, erect, upstanding)
2
plumb(adjective, straight, steep, erect)
2
standing(adjective, straight, steep, erect)
1
on end(expression, adjective, straight, steep)
1
sheer(adjective, straight, erect, vertical)
1
steep(adjective, straight, erect, vertical)
1
straight-up(adjective, straight, steep, erect)
0
cocked(straight, erect, vertical)
0
end on(expression, straight, erect, vertical)
0
horizontal(adjective, straight, steep, vertical)
0
stand up(expression, adjective, vertical)
0
straight(adjective, erect, vertical, upstanding)
0
upended(straight, erect, vertical)
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APASmart Define. (2015). stand-up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stand-up/thesaurus/synonyms
ChicagoSmart Define. 2015. "stand-up thesaurus" https://smartdefine.org/stand-up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stand-up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stand-up/thesaurus/synonyms>.
MLASmart Define. "stand-up thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/stand-up/thesaurus/synonyms>