officialese

From official +‎ -ese.

• (UK) IPA^(key): /əfɪʃəˈliːz/

officialese (countable and uncountable, plural officialeses)

1. The typical language of officials or official documents; legalistic and pompous language. [from 19th c.]
   • 2011, Thomas Penn, Winter King, Penguin 2012, p. 263:

     These were men, the chronicler continued, who ‘spoke pleasantly’, in the smooth officialese that most of Henry's counsellors were accustomed to deploy […].

• bureaucratese

• legalese