83 entries under adjective topic. ×

21
straight(adverb, direct, smooth, right)
21
upright(smooth, solid, level, true)
18
perpendicular(smooth, solid, short, straight)
16
vertical(smooth, solid, level, true)
15
erect(smooth, solid, level, true)
10
even(adverb, check, mark, determine)
8
right(adverb, direct, smooth, flat)
7
sheer(smooth, solid, level, true)
7
true(direct, smooth, right, flat)
6
normal(even, rigid, inflexible, reliable)
5
regular(direct, smooth, right, flat)
4
good
4
pure
4
steep(straight, upright, erect, vertical)
4
uniform(direct, smooth, right, flat)
4
upstanding(straight, erect)
3
horizontal(direct, smooth, right, flat)
3
point-blank(adverb, direct, right, true)
3
smooth(direct, right, flat, solid)
3
standing(straight, upright, steep, erect)
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APASmart Define. (2015). plumb thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plumb/thesaurus/synonyms
ChicagoSmart Define. 2015. "plumb thesaurus" https://smartdefine.org/plumb/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, plumb thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plumb/thesaurus/synonyms>.
MLASmart Define. "plumb thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/plumb/thesaurus/synonyms>