21 entries under sheer topic. ×

28
perpendicular(noun, adjective, smooth, sharp, solid)
22
erect(verb, adjective, smooth, sharp, solid)
13
steep(adjective, sharp, straight, upright, erect)
5
raised(adjective, sharp, firm, straight, upright)
5
abrupt(adjective, sharp, upright, steep)
5
precipitous(adjective, smooth, right, sharp, solid)
5
sharp(adjective, steep)
3
straight-up(adjective, sharp, straight, upright, erect)
2
breakneck(adjective, sharp)
2
headlong(adjective, sharp, steep)
1
sudden(adjective, sharp)
0
arduous(adjective, sharp, steep)
0
course(adjective, sharp)
0
declivitous(adjective, sharp)
0
elevated(adjective, sharp, firm, straight, upright)
0
high(adjective, sharp)
0
hilly(adjective, sharp)
0
lifted(adjective, sharp)
0
lofty(adjective, sharp)
0
precipitate(adjective, sharp, steep)
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APASmart Define. (2016). vertical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vertical/thesaurus/synonyms
ChicagoSmart Define. 2016. "vertical thesaurus" https://smartdefine.org/vertical/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, vertical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vertical/thesaurus/synonyms>.
MLASmart Define. "vertical thesaurus" 15 March 2016. Web. 23 September 2026. <https://smartdefine.org/vertical/thesaurus/synonyms>