threesome C2+ Topic:People & Society US /ˈθrisəm/ UK /ˈθriːsəm/ See IPA manual Meanings 1 noun a group of three people The cheerful threesome set off together on the morning's walk. Thesaurus Synonyms 1 noun · a group of three people triotriadtriumviratetrinity Word family Related forms twosomefoursome Etymology AI details From three + the suffix -some (Old English -sum, denoting a group of a specified number), as in twosome and foursome. three Old English -sum Old English View etymology graph -> Topics People & Society External links Cambridge Dictionary Wiktionary Google Images # threesome **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ˈθrisəm/ **IPA (UK):** /ˈθriːsəm/ ## Meanings 1. a group of three people ## Examples - The cheerful threesome set off together on the morning's walk. ## Synonyms - trio - triad - triumvirate - trinity ## Related Forms - twosome - foursome ## Roots and Affixes - Root: three - Root: -sum ## Etymology From three + the suffix -some (Old English -sum, denoting a group of a specified number), as in twosome and foursome. ## AI Etymology Threesome is from three + the suffix -some (Old English -sum, denoting a group of a specified number), as in twosome and foursome. Important recorded forms include three (Old English) and -sum (Old English). 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 a group of three people. The wider family includes related words such as twosome and foursome. ## Topics - People & Society markdown