MARSUPIALIA Antonyms There are 3 antonyms of the word marsupialia. (opposite meanings)Did you mean?Definition of MARSUPIALIABest Opposite Words For MARSUPIALIATop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1eutheriannoun, adjectiven, adj2mammalnounn3placentaladjectiveadj Alternatives for EUTHERIAN Words (2)mammalianplacentalPhrases (2)eutherian mammalplacental mammalOpposite words for eutherian Alternatives for MAMMAL Words (1)mammalianOpposite words for mammal Alternatives for PLACENTAL Words (3)eutherianmammalianviviparousPhrases (2)eutherian mammalplacental mammalOpposite words for placental