grandiose
🇺🇸
/ˈɡrændiəʊs/
🇬🇧
/ˈɡrændiəʊs/
trying to seem very important or grand, but either not practical or more fancy than necessary
He made a grandiose plan to build a huge mansion but ran out of money.
그는 거대한 저택을 지을 웅장한 계획을 세웠지만 돈이 다 떨어졌다.