diagonal
diagonal Lexical Profile
diagonal Game Scores & Validity
• adjective
Joining two opposite corners of a square, rectangle, or other straight-sided shape; having a slanting or oblique direction.
"She drew a diagonal line across the page to divide the chart into two triangles."
• noun
A straight line joining two nonadjacent vertices of a polygon or polyhedron, or running at a slant across a surface.
"The two diagonals of a square intersect at a right angle in the exact center."
A row, column, or line of squares running obliquely across a checkerboard, chessboard, or mathematical matrix.
"The bishop controlled the long diagonal throughout the entire chess match."
• Rhymes for diagonal
• Nearby Words
Word Origin & Etymology
Borrowed in the mid-16th century from Middle French or Late Latin diagonalis, ultimately from Ancient Greek diagonios ('from angle to angle'), formed from dia- ('across') and gonia ('angle, corner').