AMPHIBIAN Antonyms There are 3 antonyms of the word amphibian. (opposite meanings)Did you mean?Definition of AMPHIBIANSynonyms of AMPHIBIANAlso try opposite words for..amphibiansamphibiousBest Opposite Words For AMPHIBIANTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1birdnounn2mammalnounn3reptilenounn Alternatives for BIRD Words (26)chickdamefowlavianbirdiebirdwatchblokeboobroadchapdollgirlguyhisshootlassporridgeraspberryrazzrazzingshuttleshuttlecockskirtsnortstretchtimePhrases (1)bronx cheerOpposite words for bird Alternatives for MAMMAL Words (1)mammalianOpposite words for mammal Alternatives for REPTILE Words (13)alligatorchameleoncrocodiledragongeckoiguanalizardsnaketurtlecrawlingcreepingreptilianreptiliousOpposite words for reptile