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diagonal

[dʌɪˈæɡənəl]

diagonal Definition

  • 1(of a straight line) joining two opposite corners of a square, rectangle, or other straight-sided shape
  • 2slanting; at an angle

Using diagonal: Examples

Take a moment to familiarize yourself with how "diagonal" can be used in various situations through the following examples!

  • Example

    The diagonal line divides the rectangle into two triangles.

  • Example

    She parked her car diagonally across two parking spaces.

  • Example

    The building's diagonal walls create a unique architectural design.

diagonal Synonyms and Antonyms

Synonyms for diagonal

Antonyms for diagonal

Phrases with diagonal

  • along a diagonal line

    Example

    The tiles were laid on the diagonal to create a visually interesting pattern.

  • to slice something at an angle rather than straight across

    Example

    For a fancier presentation, you can cut the sandwiches on the diagonal.

  • to move in a direction that is slanting or at an angle

    Example

    In chess, the bishop can move diagonally across the board.

Origins of diagonal

from Late Latin 'diagonalis', from Greek 'diagonios', from dia- 'across' + gonia 'angle'

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Summary: diagonal in Brief

The term 'diagonal' [dʌɪˈæɡənəl] refers to a straight line that joins two opposite corners of a square, rectangle, or other straight-sided shape. It also means slanting or at an angle. Examples include 'The diagonal line divides the rectangle into two triangles.' and 'She parked her car diagonally across two parking spaces.' Phrases like 'on the diagonal' and 'cut something on the diagonal' denote actions along a diagonal line.