interoperable adjective2 •(of a system or device) Able to communicate, and exchange data with another system or device.A person with a Gmail account can send messages to a person with a Yahoo account because email systems are interoperable. — 2022 •Operationally compatible, e.g. with other armed forces.One of the key features associated with VLR [very light rail] vehicles is that they are not interoperable with main line trains. That is the domain of tram-trains. — 2025
