1. resembling or having the characteristics of a fortress; strongly built and difficult to enter or penetrate
Usage: often used to describe buildings, structures, or defensive positions

Examples

• The castle had a fortresslike appearance with thick stone walls and narrow windows.
• The government building was fortresslike, with security checkpoints at every entrance.
• Her fortresslike demeanor made it difficult for others to approach her emotionally.
• The old mansion stood fortresslike on the hilltop, dominating the landscape.
• The company's headquarters was a fortresslike structure designed to withstand any attack.
• He built a fortresslike fence around his property to ensure complete privacy.