30 entries under adverb topic. ×

5
vertically
4
erectly
4
plumb
4
sheer
4
upright
4
uprightly
3
steeply
2
directly
2
normally
2
orthogonally
2
sheerly
2
straightly
1
longitudinally
1
rightly
1
straight
0
bluffly
0
boldly
0
completely
0
correctly
0
equitably
<12>
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APASmart Define. (2015). perpendicularly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perpendicularly/thesaurus/synonyms
ChicagoSmart Define. 2015. "perpendicularly thesaurus" https://smartdefine.org/perpendicularly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, perpendicularly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perpendicularly/thesaurus/synonyms>.
MLASmart Define. "perpendicularly thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/perpendicularly/thesaurus/synonyms>