The formal renunciation or dissolution of a relationship of amity, trust, allegiance, or fealty.
Origin
Mid 17th century. From post-classical Latin diffidation-, diffidatio defiance, renunciation of allegiance from diffidat-, past participial stem of diffidare + classical Latin -iō.
Definition of diffidation in US English:
diffidation
nounˌdɪfɪˈdeɪʃn
historical
The formal renunciation or dissolution of a relationship of amity, trust, allegiance, or fealty.
Origin
Mid 17th century. From post-classical Latin diffidation-, diffidatio defiance, renunciation of allegiance from diffidat-, past participial stem of diffidare + classical Latin -iō.