AAC Antonyms There is 1 antonym of the abbr aac. (opposite meanings)Did you mean?Definition of AACBest Opposite Words For AACTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1abcverb, nounv, n