diagonal

/daɪˈæɡənəl/
noun
  1. A straight line that joins two opposite corners of a shape (such as a square or rectangle).
    • He measured the diagonal of the TV screen to see if it would fit in the cabinet.
    • The two diagonals of a rectangle cross each other at the center.
    • In a chessboard, the bishop moves only along diagonals.
  2. A line or direction that is at an angle, not vertical or horizontal.
    • The road follows a gentle diagonal up the hillside.
    • She cut the sandwich along a diagonal to make two triangles.
    • The artist painted a series of bold diagonals across the canvas.
adjective
  1. Slanting or crossing something from one corner to the opposite corner, not vertical or horizontal.
    • She drew a diagonal line across the square from the top left to the bottom right.
    • We took a diagonal shortcut across the empty field to reach the bus stop faster.
    • The fabric has a diagonal stripe pattern that makes it look more dynamic.
  2. Moving or going in a direction that is neither straight up-down nor left-right, but at an angle.
    • The camera panned in a diagonal motion to follow the bird's flight.
    • The soccer player made a diagonal run across the field to receive the pass.
    • A diagonal path through the park cuts the walking time in half.
What does "diagonal" mean? | whatsthatwordmean | whatsthatwordmean