Definition of DIAGONAL

diagonal

Meanings

Plural: diagonals

Noun

  • (geometry) a straight line connecting any two vertices of a polygon that are not adjacent
  • a line or cut across a fabric that is not at right angles to a side of the fabric
  • an oblique line of squares of the same color on a checkerboard
    • "the bishop moves on the diagonals"
  • (mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry
  • a punctuation mark (/) used to separate related items of information
  • A line joining non-adjacent vertices of a polygon.
  • Anything forming or resembling such a line
  • A line or plane at an oblique angle to another.
  • Anything forming or resembling such a line
  • A line or cut across a fabric at an oblique angle to its sides.
  • Anything forming or resembling such a line
  • Synonym of slash ⟨/⟩.

Adjective Satellite

  • connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face
    • "a diagonal line across the page"
  • having an oblique or slanted direction

Adj

  • Joining two nonadjacent vertices (of a polygon or polyhedron).
  • Having slanted or oblique lines or markings.
  • Having a slanted or oblique direction.
  • Of or related to the cater-corner (diagonally opposite) legs of a quadruped, whether the front left and back right or front right and back left.

Origin / Etymology

From Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”), from διά (diá, “across”) + γωνία (gōnía, “angle”).

Antonyms

backslash

Scrabble Score: 10

diagonal is a valid Scrabble (US) TWL word
diagonal is a valid Scrabble Word in Merriam-Webster MW Dictionary
diagonal is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

diagonal is a valid Words With Friends word