grandiose

adjective3

1. •
   Large and impressive in size, scope or extent.

   • Independence does not need to be a grandiose process of disconnection and severing ties. — 2019
2. •
   magnificent or spectacular.
3. •
   Pompous or pretentious.

   • There is a station here, of course, opened as Didcot in June 1844 and renamed as the more grandiose-sounding Didcot Parkway in July 1985. — 2021