Words similar to citadels

Example sentences for: citadels

How can you use “citadels” in a sentence? Here are some example sentences to help you improve your vocabulary:

They began the process of building their strong citadels, and reinforcing the Christian faith on the islands.
El Morro was one of the most formidable citadels in the world.
Archaeologists have located some 7,000 of these nuraghi structures around the island, most of them flattened cone towers believed to be parts of fortified citadels.