Definition of sublinguistic in US English:

sublinguistic

adjective

  • 1Of, relating to, or characteristic of a sublanguage or sublanguages; characterized by the use of a sublanguage.

  • 2Not fully linguistic; relating to or expressed in a level below that of language; nonverbal.

Origin

Early 20th century; earliest use found in Journal of the Royal Anthropological Institute. From sub- + linguistic.

Pronunciation

sublinguistic

/ˌsʌblɪŋˈɡwɪstɪk/