twosome

n.

US //ˈtusəm// UK //tˈuːsʌm// two·some

Etymology 1

From Middle English twosome, equivalent to two + -some. Cognate with Scots twasome, twaesome (“twosome”).

Etymology 2

From two + -some.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Idioms1 entry

01
gruesome twosome
A pair of people who go together, such as two friends, siblings, a married couple, etc., especially if they are mischievous, cause trouble, do not get along well, or have an unpleasant appearance.

Last updated April 17, 2026

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