American English

Definition of grandiose adjective from the Oxford Advanced American Dictionary



, NAmE//ˌɡrændiˈoʊs//
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seeming very impressive but too large, complicated, expensive, etc. to be practical or possible The grandiose plan for a journey across the desert came to nothing. a grandiose opera house He could no longer live the grandiose lifestyle to which he had become accustomed.
See the Oxford Advanced Learner's Dictionary entry: grandiose