[adjective] [disapproving] - larger and containing more detail than necessary, or intended to seem important or splendidThey have some grandiose plans/ideas/schemes for making money.He is full of grandiose ambitions/hopes/dreams for the future.The house is decorated in a very grandiose style.
GRANDIOSE
Meaning of GRANDIOSE in English
Cambridge English vocab. Кембриджский английский словарь. 2012