(FORMAL) [adjective] -ier, -iest [disapproving] - (of people or organizations) old-fashioned, formal and boringService in the restaurant is not at all stuffy, and the food is excellent.It would be difficult to find a stuffier, stupider, more arrogant man.
STUFFY
Meaning of STUFFY in English
Cambridge English vocab. Кембриджский английский словарь. 2012