Tasmanian /tæzˈmeɪniən/adjective 1noun 1forms 1 adjective1 •Of, from or relating to the state of Tasmania, Australia. noun1 •A native or inhabitant of the state of Tasmania, Australia.The engineer of the line, a young Tasmanian named Sharland, decided the best course would be to take the new railway along a chain of four deep valleys. [...]. — 1939 formsTasmanians