Fergusonian UK /ˌfɜː.ɡəˈsəʊ.ni.ən/US /ˌfɝ.ɡəˈsoʊ.ni.ən/ adjective1 •Relating to Charles A. Ferguson (1921–1998), American linguist, known for his work on diglossia and as one of the founders of sociolinguistics. formsmore Fergusonian · most Fergusonian
