jargon

/ˈdʒɑrɡən/
noun
  1. Special words or expressions used by a particular group, profession, or field that are difficult for others to understand.
    • Computer programmers often use jargon like 'API' and 'framework' when talking to each other.
    • Legal jargon in the contract made it hard for the client to know what she was signing.
    • The doctor used so much medical jargon that I couldn't understand my diagnosis.
  2. Language that is confusing or meaningless to outsiders; technical or pretentious talk.
    • I stopped reading the article because it was just jargon with no real information.
    • The politician's speech was full of jargon and said nothing of substance.
    • The manager's memo was filled with corporate jargon like 'synergy' and 'leverage'.
Antonyms
verb
  1. To use specialized or technical language, often in a confusing or pretentious way.
    • She tends to jargon when she wants to sound more knowledgeable than she is.
    • The expert jargoned on for an hour without explaining anything clearly.
    • Instead of jargoning, try to explain the concept in simple words.