diagonal
//daɪˈæɡ.ən.əl//
Adjective
diagonalCanonical form
1
Joining two non-adjacent corners of a polygon or polyhedron; slanting at an angle.
She drew a diagonal line across the square.
2
Having an oblique or slanted direction; not horizontal or vertical.
She drew a diagonal line across the paper.
Antonym
Noun
diagonalSingular
diagonalsPlural
1
A straight line connecting two non-adjacent corners of a polygon or polyhedron.
Draw a diagonal from one corner of the square to the opposite corner.
2
Something positioned at an angle or slant, such as a line, stripe, or path.
She drew a diagonal across the square.