diagonal
adjectiveUK /daɪˈæɡ.ən.əl/
US /daɪˈæɡ.ən.əl/
A diagonal line goes from one corner to the opposite corner.
She drew a diagonal line across the square.
OTHER MEANINGS
2. A straight line that joins two opposite corners of a shape.
The diagonals of a square are equal in length.
3. In math, a pattern of numbers arranged in a slanted row.
The numbers on the diagonal of the grid all matched.
4. Going in a slanted direction rather than straight up or across.
He walked in a diagonal path across the field.