DUODECIMAL Antonyms There are 2 antonyms of the word duodecimal. (opposite meanings)Did you mean?Definition of DUODECIMALBest Opposite Words For DUODECIMALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1decimalnoun, adjectiven, adj2denarynoun, adjectiven, adj Alternatives for DECIMAL Words (5)denarydecimalnumericnumericalbasePhrases (2)decimal fractiondecimal systemOpposite words for decimal Alternatives for DENARY Words (6)decimaldigitnumericnumericaltenfoldten-foldOpposite words for denary