AUTHORISER Antonyms There are 4 antonyms of the word authoriser. (opposite meanings)Did you mean?Definition of AUTHORISERSynonyms of AUTHORISERAlso try opposite words for..authoriseauthorizeauthorizesauthorizedauthorshipBest Opposite Words For AUTHORISERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1deniernounn2disavowerverb, nounv, n3disputernoun, adjectiven, adj4refuserverb, nounv, n Alternatives for DENIER Words (11)cynicdissenterdoubterhereticinfidelnihilistquestionerskepticdisbelieverrejecterunbelieverOpposite words for denier Alternatives for DISAVOWER Words (8)abjuredenydisclaimdisownforswearrejectrenouncerepudiateOpposite words for disavower Alternatives for DISPUTER Words (11)arguerchallengercontestantcontroversialistdebaterdissenterlitigatorpolemicistquarrellerbickerercontradictorOpposite words for disputer Alternatives for REFUSER Words (11)declinedenydismissignorerebuffrejectrepudiaterepulsesnubspurnvetoPhrases (1)turn downOpposite words for refuser