compatibility Syllabification: (com·pat·i·bil·i·ty)Pronunciation: /kəmˌpatəˈbilitē/Translate compatibility | into German Definition of compatibility noun a state in which two things are able to exist or occur together without problems or conflict:he argues for the compatibility of science and religion a feeling of sympathy and friendship; like-mindedness:they felt the bond of true compatibility Computing the ability of one computer, piece of software, etc., to work with another: software compatibility is another important factor to considercompatibility in other Oxford dictionaries Definition of compatibility in the British & World English dictionary