Refers to a country ruled by a king or queen, or the system of monarchy itself. Can also be used metaphorically for a domain or realm.
The United Kingdom is a constitutional monarchy.
He grew up in Brazil, the kingdom of soccer.
He built a mighty kingdom on this land.
That kingdom flourished for several centuries.
That kingdom was destroyed by war.
This island is a kingdom of wild animals.
staunchly conservative area; conservative stronghold
millennium; millennial kingdom
Commonwealth realm