oblique

adj. 1 slanting; at an angle. 2 not going straight to the point; indirect. 3 gram. (of a case) other than nominative or vocative. n. Oblique stroke (/).  obliquely adv. Obliqueness n. Obliquity n. [french from latin]

a. Not erect or perpendicular; neither parallel to, nor at right angles from, the base; slanting; inclined.