From Longman Dictionary of Contemporary Englishat an angleat an angleVERTICALleaning to one side and not straight or upright The portrait was hanging at an angle.at a slight/steep angle The sign leaned over at a slight angle. → angle
Examples from the Corpus
at a slight/steep angle• He had a beard and his forehead sloped back at a steep angle.• Both chairs are placed securely, with the free chair at a slight angle to where the patient is sitting.• She went about with her head at a slight angle and her eyes permanently narrowed, to avoid the smoke.• In two species examined the crystals lie parallel to the surface and in another two they lie at a steep angle.• His wig was now at a slight angle.• Christabel's tombstone leaned over at a slight angle.• In distinctive display flight flaps upwards at a steep angle and then glides down with wings scarcely upraised. 