twosome /ˈtuːsəm/adjective 3noun 2forms 1phrases 1 adjective3 •Being or constituting a pair; two. •Twofold; double. •Performed by two individuals. noun2 •A group of two; a pair; a couple; a group of two distinct individuals or components. •A dance for two people. formstwosomes Phrases with twosome gruesome twosomeA 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.