POLYGYNY Antonyms There are 3 antonyms of the word polygyny. (opposite meanings)Did you mean?Definition of POLYGYNYAlso try opposite words for..polygynistpolygynousBest Opposite Words For POLYGYNYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1monogamynounn2monogynynounn3polyandrynounn Alternatives for MONOGAMY Words (6)commitmentconstancyfaithfulnessfidelityloyaltymonogamousnessOpposite words for monogamy