Definition of mentalese in English:

mentalese

noun

Philosophy
  • A universal non-verbal system of concepts, etc., conceived of as an innate representational system resembling language, which is the medium of thought and underlies the ability to learn and use a language.

Origin

1960s. From mental + -ese.

Pronunciation

mentalese

/ˌmɛnt(ə)lˈiːz/