1) Aslant 2) Aslope 3) At an angle 4) Crossways 5) Crosswise 6) Diagonal 7) Inclined 8) Leaning 9) Like most roofs 10) Not on the level 11) Oblique 12) On a slope 13) Sideways 14) Slanted 15) Sloped 16) Sloping 17) Tilted 18) Transverse Found on https://www.crosswordclues.com/clue/slanting