Definition of "interlanguage" in English

noun

1. A language generated by a student of a foreign language that incorporates aspects of their native language and the target language.

   • Trasyanka and Surzhyk are interlanguages: a Belarusian–Russian and a Ukrainian–Russian mixed language.

2. A lingua franca, a common language used by speakers of different languages

   • Latin used to be the European interlanguage. Currently English widely serves this purpose.

3. A pidgin or creole