1. supreme authority or control; sovereignty
2. a territory or sphere of influence under control
3. a self-governing territory within the British Commonwealth
Usage: historical

Examples

• The king exercised dominion over his vast empire.
• She had complete dominion over the household finances.
• The company sought to expand its dominion in the tech market.
• Canada was once a British dominion.
• The treaty established clear dominion over the disputed territory.
• His dominion extended from the mountains to the sea.
• The new law challenged the state’s dominion over education policy.