restricted code

noun Sociolinguistics.
  1. a style of language use associated with informal situations, characterized by linguistic predictability and by its dependence on the external context and on the shared knowledge and experience of the participants for conveying meaning.Compare code(def 11b), elaborated code.

Origin of restricted code

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018