Collocations for jargon - noun

current
impenetrable, incomprehensible, meaningless, obscure
unnecessary
academic, legal, medical, military, scientific, technical, etc.

piece

speak, speak in, use
He always speaks in obscure legal jargon.

be couched in
Her emails are always couched in jargon.

avoid

in jargon
The report seemed to be written in computer jargon.

jargon for
‘All necessary means’ is diplomatic jargon for ‘war’.