diagonal

/daɪˈæɡənəl/ · 4 syllables

Meaning

adjective

1. 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”
2. having an oblique or slanted direction

noun

1. (geometry) a straight line connecting any two vertices of a polygon that are not adjacent
2. a line or cut across a fabric that is not at right angles to a side of the fabric
3. an oblique line of squares of the same color on a checkerboard
   “the bishop moves on the diagonals”
4. (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
5. a punctuation mark (/) used to separate related items of information

Synonyms for diagonal

• oblique
• aslant
• aslope
• slanted
• slanting
• sloped
• sloping
• inclined
• bias
• solidus
• slash
• virgule
• stroke
• separatrix

Words that rhyme with diagonal

• hexagonal
• octagonal