Definitions

1. noun

A strong or heavily fortified building or structure, typically used for military defense or as a place of refuge.

“The medieval castle was a formidable fortress that had withstood many sieges.”

2. noun

A strong or secure position or situation, especially in a business or financial context.

“The company’s financial fortress was its large cash reserves.”

3. noun

A strong or secure mental state, especially one that is resistant to stress or anxiety.

“Her fortress of calm helped her to cope with the pressure of the job.”

4. verb

To surround or besiege a place or person with a large number of people, especially soldiers or police.

“The city was fortress by a large mob protesting the government’s policies.”

5. verb

To make or become secure or safe, especially from danger or threat.

“The firebreaks helped to fortress the town from the spreading flames.”