Find another word for diagonal. In this page you can discover 36 synonyms, antonyms, idiomatic expressions, and related words for diagonal, like: horizontal-line, catercorner, stroke, ellipse, slanting, oblique, angled, slanted, biased, right-angled and centerline.

What is on the diagonal?

: corner to corner across the center : diagonally The stone wall cuts across the field on a diagonal.

What does diagonal mean in a sentence?

A diagonal line is straight and sloping, not horizontal or vertical, for example joining two opposite corners of a square or other flat shape with four sides: The book has a diagonal black stripe on the cover. ... Peters received a diagonal pass and headed the ball into the net.