gradual proceeding in small stages; "a gradual increase in prices"
oblique slanting 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"
atilt,
canted,
leaning,
tilted,
tipped departing or being caused to depart from the true vertical or horizontal; "the leaning tower of Pisa"; "the headstones were tilted"
partial,
fond being or affecting only a part; not total; "a partial description of the suspect"; "partial collapse"; "a partial eclipse"; "a partial monopoly"; "partial immunity"