monolingual

1. ADJ Monolingual means involving, using, or speaking one language. 單語(yǔ)的; 僅用一種語(yǔ)言的[usu ADJ n]

...a largely monolingual country such as Great Britain. ...像英國(guó)這樣一個(gè)主要使用一種語(yǔ)言的國(guó)家。