斜ななめに

adverb

diagonally; obliquely; at an angle

Describes a direction or orientation that is not straight, horizontal, or vertical. Used for physical positioning, movement, or figurative slants.

• 道みちを斜ななめに渡わたらないでください。

  Please don't cross the street diagonally.

• 絵えが斜ななめに掛かかっている。

  The picture is hanging at an angle.