jargon

mastery
UK /ˈdʒɑː.ɡən/ US /ˈd͡ʒɑɹ.ɡən/nounverb

card 1 of 10 · context meaning

Which meaning of 'jargon' best matches the usage in the sentence?

After the accident, he was speaking in jargon that no one could make sense of.