unmistakable
adjectiveNAmE//ˌʌnmɪˈsteɪkəbl//
NAmE//ˌʌnmɪˈsteɪkəbli//
adverb His accent was unmistakably British.See unmistakable in the Oxford Advanced Learner's DictionaryCheck pronunciation: unmistakable
Definition of unmistakable adjective from the Oxford Advanced American Dictionary