22
oblique(noun, adjective, straight, irregular, bias)
18
slanting(adjective, straight, slant, oblique, sloping)
15
aslant(adjective, adverb, slant, oblique, slanting)
15
slanted(adjective, straight, bias, oblique, angled)
13
bias(noun, adjective, straight, inclination, tip)
12
transverse(adjective, crosswise, across, angled)
11
askew(adjective, bias, oblique, angled)
11
sloping(adjective, irregular, slant, bent, crooked)
10
biased(adjective, straight, bias, angled)
10
slant(noun, adjective, inclination, grade, sharpness)
10
stroke
9
bevel(noun, adjective, inclination, bias, tip)
9
slash
9
solidus
8
aslope(adjective, slant, oblique, slanting, sloping)
8
inclined(adjective, oblique)
8
inclining(adjective, bias, slant, bent, oblique)
8
separatrix
8
virgule
6
crosswise(adjective, adverb, angled)
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APASmart Define. (2015). diagonal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/diagonal/thesaurus/synonyms
ChicagoSmart Define. 2015. "diagonal thesaurus" https://smartdefine.org/diagonal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, diagonal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/diagonal/thesaurus/synonyms>.
MLASmart Define. "diagonal thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/diagonal/thesaurus/synonyms>