21 entries under sheer topic. ×

24
vertical(noun, adjective, smooth, sharp, solid)
20
erect(verb, adjective, smooth, sharp, solid)
17
steep(adjective, sharp, course, extreme, straight)
7
precipitous(adjective, smooth, sharp, solid, level)
5
abrupt(adjective, sharp, course, quick, upright)
3
straight-up(adjective, sharp, course, straight, upright)
2
high(adjective, sharp, course, quick, rash)
2
sudden(adjective, sharp, vertical)
1
arduous(adjective, sharp, course, quick, rash)
1
declivitous(adjective, sharp, course, vertical)
1
elevated(adjective, sharp, firm, course, straight)
1
precipitate(adjective, sharp, course, quick, rash)
1
raised(adjective, sharp, firm, course, straight)
0
breakneck(adjective, sharp, course, vertical)
0
course(adjective, sharp, vertical)
0
headlong(adjective, sharp, course, steep, abrupt)
0
hilly(adjective, sharp, course, vertical)
0
lifted(adjective, sharp, course, vertical)
0
lofty(adjective, sharp, course, vertical)
0
prerupt(adjective, sharp, course, vertical)
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APASmart Define. (2015). perpendicular thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perpendicular/thesaurus/synonyms
ChicagoSmart Define. 2015. "perpendicular thesaurus" https://smartdefine.org/perpendicular/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, perpendicular thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perpendicular/thesaurus/synonyms>.
MLASmart Define. "perpendicular thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/perpendicular/thesaurus/synonyms>