Synonyms of contrariwise

1 Syllable
cross, thwart
2 Syllables
over, awry, athwart, aslant, crossways, crisscross, crossing, longways
3 Syllables
reversed, angular, transversal, crosswise, traverse, sideways, mullioned, transverse, everted
4 Syllables
vertically, transversely, diagonally, conversely, inversely
5 Syllables
horizontally, oppositely, perpendicular