Synonyms for Catty-corner (same or very similar meaning)
WordNet sense 1 (slanted across a polygon on a diagonal line):
catercorner, catty-cornered, kitty-corner, kitty-cornered, catacorner, cata-cornered
WordNet sense 2 (slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled):
oblique
From the ODE community, based on WordNet
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