DictionarygrandioseExcessively grand
adjective

grandiose

GRAN-dee-ohs/ˈɡrændiəʊs/

Impressively grand or ambitious, often to an excessive or pretentious degree.

His grandiose palace model dwarfs the small available building plot.

A showy planner proudly presents an absurdly huge palace model dwarfing a tiny available building plot, overambitious unrealistic grandeur.
Etymology

French grandiose emphasizes being impressive or grand in effect. Applied to plans or ambitions, that imposing scale can invite criticism rather than admiration when it seems showy or unrealistic.

In context

KirTop - Archaeology23:30
the ability to manage the mass distribution of resources and organized labor allowed the Egyptians to build grandiose structures including the pyramids
100 Findings That Still Nobody Can Explain

More examples

  • The hotel entrance is grandiose but poorly maintained.
  • She makes grandiose promises without explaining how to fulfill them.
  • The modest event hardly needs such grandiose decorations.

Forms

grandiose · more grandiose · most grandiose

Similar words

pompous
Emphasizes self-important display rather than scale or ambition.
ambitious
Ambitious aims high; grandiose often implies inflated scale or pretension.