(a)obliqueslanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled“the oblique rays of the winter sun”, “acute and obtuse angles are oblique angles”, “the axis of an oblique cone is not perpendicular to its base”
(s)devious, obliqueindirect in departing from the accepted or proper way; misleading“used devious means to achieve success”, “gave oblique answers to direct questions”, “oblique political maneuvers”