1. a person who uses or specializes in jargon; someone who speaks or writes in technical or specialized language
Usage: often used critically to suggest excessive or unnecessary use of jargon

Examples

• The consultant was criticized for being a jargonist who made simple concepts sound unnecessarily complicated.
• Some academics are jargonists who forget that clarity matters more than technical vocabulary.
• He accused the software engineer of being a jargonist for using acronyms that no one outside the field could understand.
• The manager complained that the report was written by a jargonist and requested a plain-language version.
• Not every expert is a jargonist; many brilliant scientists can explain their work in accessible terms.