private language

British  

noun

1. philosophy a language that is not merely secret or accidentally limited to one user, but that cannot in principle be communicated to another

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Example Sentences

These are worthy investments in children’s education, especially those who live in school districts that haven’t been able to launch dual-language programs, and those whose families can’t afford private language instruction.

From Seattle Times • Aug. 30, 2022

It’s such a small, intimate, unmistakable gesture, the sort of signal that couples develop as part of their private language.

From New York Times • Apr. 8, 2020

With a nod to “Hamlet,” a mute boy and his parents in a small Wisconsin town develop a private language with their special breed of remarkable dogs.

From Washington Post • Nov. 25, 2019

There is a way in which Bloom was always speaking his own private language, and gradually publicizing that privacy on his own odd terms.

From The New Yorker • Oct. 16, 2019

We talked in a cute and silly private language of our own.

From "Bodega Dreams" by Ernesto Quinonez