5
bias
3
cornerwise
3
crossways(adjective, adverb, cross, over, oblique)
3
crosswise(adjective, adverb, oblique, sloping, sideways)
2
athwart
2
obliquely
2
sidelongly
2
skewly
2
slantingly
2
slopingly
1
across(adjective, adverb, cross, upright, over)
1
askew
1
aslant
1
at right angles(expression, adjective, adverb, cross, over)
1
biasly
1
catercorner
1
cattycorner
1
diagonal
1
kittycorner
1
slantways
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APASmart Define. (2015). diagonally thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/diagonally/thesaurus/synonyms
ChicagoSmart Define. 2015. "diagonally thesaurus" https://smartdefine.org/diagonally/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, diagonally thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/diagonally/thesaurus/synonyms>.
MLASmart Define. "diagonally thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/diagonally/thesaurus/synonyms>