Slantwise (adverb)

In a slanting direction; diagonally.

Origin:

Late 17th century, from "slant" + "wise".

Examples:

1. The rain was coming down slantwise, making it hard to see.
2. He walked slantwise across the room, trying to avoid being seen.
3. The bird flew slantwise, crossing the sky at an angle.
4. She looked at him slantwise, trying to gauge his reaction.
5. The light was shining on the painting slantwise, highlighting the brushstrokes.