Definition of tyrannize verb from the Oxford Advanced Learner's Dictionary

 

tyrannize

 verb
(British English also -ise)verb
BrE BrE//ˈtɪrənaɪz//
 
; NAmE NAmE//ˈtɪrənaɪz//
 
[transitive, intransitive]Verb Forms present simple I / you / we / they tyrannize
BrE BrE//ˈtɪrənaɪz//
 
; NAmE NAmE//ˈtɪrənaɪz//
 
he / she / it tyrannizes
BrE BrE//ˈtɪrənaɪzɪz//
 
; NAmE NAmE//ˈtɪrənaɪzɪz//
 
past simple tyrannized
BrE BrE//ˈtɪrənaɪzd//
 
; NAmE NAmE//ˈtɪrənaɪzd//
 
past participle tyrannized
BrE BrE//ˈtɪrənaɪzd//
 
; NAmE NAmE//ˈtɪrənaɪzd//
 
-ing form tyrannizing
BrE BrE//ˈtɪrənaɪzɪŋ//
 
; NAmE NAmE//ˈtɪrənaɪzɪŋ//
 
 
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to use your power to treat somebody in a cruel or unfair way tyrannize somebody/something a father tyrannizing his children After years of obeying her own husband’s mother, she felt that she was now entitled to tyrannize her daughter-in-law. tyrannize over somebody/something a political leader who tyrannizes over his people Since he took power five years ago, he has tyrannized over the people of this small nation. see also tyrant Word Origin late 15th cent.: from French tyranniser, from tyran ‘tyrant’.
See the Oxford Advanced American Dictionary entry: tyrannize