Large and impressive, in size, scope or extent.
Independence does not need to be a grandiose process of disconnection and severing ties.
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.
From French grandiose, from Italian grandioso, from Latin grandis (“great, grand”) (English grand). Possibly from grand + -ose, though to be debated. Doublet of grandioso.
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