palatial
🇺🇸
/pəˈleɪʃl/
🇬🇧
/pəˈleɪʃl/
Very grand and luxurious, like a palace.
The movie star's palatial mansion had a large swimming pool and beautiful gardens.
映画スターの豪華な荘園には大きなプールと美しい庭園がありました。