omnilingual UK /ɒmnɪˈlɪŋ.ɡwəl/US /ɑmnɪˈlɪŋ.ɡwəl/adjective 1noun 1forms 1 adjective1 •Having the ability to speak, or to understand, all languages.Because they are in some sense part of an omnilingual scholarly vocabulary, many instructors require their students to learn them and use them. — 1960 noun1 •A person who has the ability to speak, or to understand, all languages formsomnilinguals
