Definitions

1. verb

to exercise tyranny or oppressive power, especially over a person or group

“The corrupt government began to tyrannise its citizens, imposing harsh restrictions.”

2. verb (transitive)

to exercise tyranny or oppressive power over (a person or group)

“The dictator tyrannised the entire nation, crushing any opposition.”

3. noun

tyranny or oppressive power

“The tyrannise of the regime was felt across the country.”