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diagonal

/daɪˈæɡnəl/
noun

  1. A line joining non-adjacent vertices of a polygon.

  2. Anything forming or resembling such a line, particularly:

Synonymsbias, slash
Antonymsbackslash
adjective

  1. Joining two nonadjacent vertices (of a polygon or polyhedron).

  2. Having slanted or oblique lines or markings.

  3. Having a slanted or oblique direction.

Synonymsaslant, aslope, slanted, slanting, sloped, sloping

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