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Word of the Day Tuesday, June 9, 2026

diagonal

/ˌdaɪəˈɡɒnəl/ adjective, noun · British & US
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What does diagonal mean?

adjective, noun

A diagonal line or shape is one that connects two opposite corners of a rectangle or square, or a line that is not horizontal or vertical. A diagonal is also a line or route that is not direct or straightforward.

Example

"The diagonal of the roof was covered in snow."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for diagonal

Antonyms of diagonal

Rhymes with diagonal

Etymologically related