limitrophe /ˈlɪmɪtɹəʊf/adjective 1noun 1forms 1 adjective1 •Border, frontier; being or existing along a border or frontier.The problem lies in the rhizome – in the plane of understanding of the difference between mental space-aggressors and mental space-victims, which include all the limitrophe states. — 2017 noun1 •A border state or area. formslimitrophes