1. specialized or technical language used by people in a particular profession or group, often difficult for others to understand
The doctor used medical jargon that confused the patient.
O médico usou jargão médico que confundiu o paciente.
2. pretentious or inflated language; meaningless talk or writing
The politician's speech was full of jargon and lacked substance.
O discurso do político estava cheio de jargão e carecia de substância.