Entry 1 sense Webster, 1913 interoperability · in·ter·op·er·a·bil·i·ty · IPA /ˌɪntəɹɒpəɹəˈbɪləti/ 01 n. The quality of being interoperable. Used of data structures or executable programs. 1. The quality of being interoperable. Used of data structures or executable programs.(Computers) See: interoperable