diagonal

Pronunciation

• IPA ^(key): /daɪˈæɡ.ən.əl/

• Audio (UK)

  (file)

Adjective

Positive diagonal

Comparative none

Superlative none

1. A diagonal line goes across from one corner of a rectangular area to the opposite corner.

   She drew a diagonal line across the page.

2. A diagonal marking or direction is roughly 45° relative to a base.

   The fabric has a diagonal pattern of stripes.

   They walked in a diagonal direction across the field.

Noun

Singular diagonal

Plural diagonals

1. (countable) A diagonal is a straight line that connects opposite corners of a rectangular area.

   The diagonal of a square divides it into two triangles.