NYT Dictionary
DIAGONAL
/daɪ̯ˈeɪ̯ɡ(ə)nəl/AdjectiveNoundi-AG-o-naldi-ag-o-nal · 4 syllablesGrade 3
Accepted in official NYT Spelling Bee puzzle years: 2025
Meaning
Joining two nonadjacent vertices (of a polygon or polyhedron).
Etymology
Origin: Latin
From Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”), from διά (diá, “across”) + γωνία (gōnía, “angle”).
Synonyms & Antonyms
Synonyms
aslantaslopeslantedslantingslopedslopingbiasslashsolidusvirgule
Antonyms
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NYT Puzzle Appearances
Accepted in 1 recorded puzzle, including a pangram: