disloyal
adjectiveNAmE//dɪsˈlɔɪəl//
disloyal (to somebody/something)NAmE//dɪsˈlɔɪəlti//
noun [uncountable] She felt guilty of disloyalty to her dead husband.See disloyal in the Oxford Advanced Learner's DictionaryCheck pronunciation: disloyal
Definition of disloyal adjective from the Oxford Advanced American Dictionary