POLYPLOID Antonyms There are 2 antonyms of the word polyploid. (opposite meanings)Did you mean?Definition of POLYPLOIDSynonyms of POLYPLOIDBest Opposite Words For POLYPLOIDTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1diploidadjectiveadj2haploidnoun, adjectiven, adj Alternatives for HAPLOID Words (2)haploidicmonoploidOpposite words for haploid