<p><strong>Noun</strong></p><ul><li>the language, especially the vocabulary, peculiar to a particular trade, profession, or group: medical jargon.</li><li>unintelligible or meaningless talk or writing; gibberish.</li><li>any talk or writing that one does not understand.</li><li>language that is characterized by uncommon or pretentious vocabulary and convoluted syntax and is often vague in meaning.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to speak in or write jargon; jargonize.</li></ul>