triangular C2+ Topic:Describing Qualities US /traɪˈæŋɡjələr/ UK /traɪˈæŋɡjʊlə/ See IPA manual Meanings 1 adj having the shape of a triangle; involving three parties The sail was a crisp triangular sheet against the blue sky. Thesaurus Synonyms 1 adj · having the shape of a... three-sidedtrilateraldeltoidtrigonal Word family Derived forms triangularitytriangularly Related forms triangletriangulateangletriangulation Etymology AI details From Late Latin triangularis, from Latin triangulum ('triangle'), from tri- ('three') + angulus ('corner, angle'). triangularis Latin tri Latin angulus Latin View etymology graph -> Topics Describing Qualities Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # triangular **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /traɪˈæŋɡjələr/ **IPA (UK):** /traɪˈæŋɡjʊlə/ ## Meanings 1. having the shape of a triangle; involving three parties ## Examples - The sail was a crisp triangular sheet against the blue sky. ## Synonyms - three-sided - trilateral - deltoid - trigonal ## Derived Forms - triangularity - triangularly ## Related Forms - triangle - triangulate - angle - triangulation ## Roots and Affixes - Root: triangularis - Root: tri - Root: angulus ## Etymology From Late Latin triangularis, from Latin triangulum ('triangle'), from tri- ('three') + angulus ('corner, angle'). ## AI Etymology Triangular is from Late Latin triangularis, from Latin triangulum ('triangle'), from tri- ('three') + angulus ('corner, angle'). Important recorded forms include triangularis (Latin), tri (Latin), and angulus (Latin). Morphologically, the word preserves a built structure whose named elements carry the historical sense into English. The modern sense continues the older lexical line without requiring a separate origin. In current use it covers having the shape of a triangle; involving three parties. The wider family includes derived forms such as triangularity and triangularly and related words such as triangle, triangulate, angle, and triangulation. ## Topics - Describing Qualities - Word Formation & Derivatives markdown