coincidence

Universal Words noun 1 [C,U] the fact of two things happening at the same time by chance, in a surprising way: a strange / an extraordinary / a remarkable coincidence * What a coincidence! I wasn't expecting to see you here. * It's not a coincidence that none of the directors are women (= it did not happen by chance). * By (sheer) coincidence, I met the person we'd been discussing the next day. 2 [sing.] (formal) the fact of things being present at the same time: the coincidence of inflation and unemployment 3 [sing.] (formal) the fact of two or more opinions, etc. being the same: a coincidence of interests between the two partners