1. resembling, containing, or characteristic of jargon; full of specialized or technical language that is difficult for outsiders to understand
Usage: informal; often used critically to describe unnecessarily obscure language

Examples

• The legal document was so jargonish that most people couldn't understand it without a lawyer's help.
• Her presentation was filled with jargonish terminology that lost half the audience.
• The software manual's jargonish language made it useless for beginners.
• He complained that academic papers were too jargonish and inaccessible to the general public.
• The consultant's jargonish report failed to communicate the main findings clearly.
• Medical jargonish terms can confuse patients who are trying to understand their diagnosis.