coincidencenoun · Level 1 SAT1A circumstance so agreeing with another: often implying accidentMeeting her childhood friend on a train in a foreign city was a remarkable coincidence.ModuleLevel 1Registeracademic, common, contrastCollectionCollection 061SAT Core planAlso in Collection 061aggregate, abscond, tranquil, aghast, abstract, abstruse, abstain, bequeath and 1 more