tyrannising
ty-ran-nis-ing
verb
Exercising cruel, oppressive, or unjust power over others.
"The dictator was tyrannising his own people."
noun
The act of exercising cruel, oppressive, or unjust power.
"His constant tyrannising made life unbearable."
Thesaurus
Synonyms: tyrannise, tyrannize, grind down, domineer