Language characterized by pretentious or meaningless jargon

Unintelligible or convoluted language

अज्ञात या जटिल भाषा

English Usage: The instructions were written in such gobbledygook that I had to ask for clarification.

Hindi Usage: निर्देश इतनी जटिल भाषा में लिखे हुए थे कि मुझे स्पष्टीकरण के लिए पूछना पड़ा।