1. using or expressing in jargon; speaking or writing in specialized or technical language that is difficult for others to understand
Usage: British spelling (American: jargonizing); present participle of jargonise

Examples

• The professor was jargonising so much that the students couldn't follow the lecture.
• Instead of jargonising, the doctor explained the diagnosis in simple terms.
• The report was criticized for jargonising rather than communicating clearly with the public.
• She accused the committee of jargonising to avoid giving a straightforward answer.
• The consultant kept jargonising, making the presentation inaccessible to most attendees.