- pseudolinguistic
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a) pertaining to pseudo-linguistics. Deprecating of scholarship thought to purport to be linguistic but falling short of the necessary standards
representatives of previous pseudolinguistic science, the philologists (The Rice institute pamphlets, Volume 2 (1915), p. 172)
b) quasilinguistic. Having some qualities similar to language, but not quite amounting to language in the narrow sense.
Wikipedia foundation.