AU Antonyms There are 5 antonyms of the abbr au. (opposite meanings)Did you mean?Definition of AUBest Opposite Words For AUTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1aiverb, adjectivev, adj2eyenounn3inounn4aynounn5ayenounn Alternatives for EYE Words (19)eyeballoculusopticfarsightednessgazeorbpeeperperspectivesightviewvisioneyeballsglimeyeletperceptivenesscentercentreheartmiddleOpposite words for eye Alternatives for I Words (10)oneaceaneiodiniodinemugginssingleunitychichPhrases (1)atomic number 53Abbreviations (1)1Opposite words for i Alternatives for AY Words (5)alwayscontinuallyforeveryeayesOpposite words for ay Alternatives for AYE Words (16)yeayesabsolutelyaffirmativeagreedassuredlycertainlygladlyindeedpositivelysuretrueyeahyepheyoiPhrases (1)all rightOpposite words for aye