monolingual /ˌmɒ.nəʊˈlɪŋ.ɡwəl/adjective 1noun 1forms 3 adjective1 •Knowing or using a single language; written or spoken in a single language. noun1 •a person who knows or uses only a single language; a monoglot formsmonolinguals · more monolingual · most monolingual