PSAMMON Antonyms There are 2 antonyms of the word psammon. (opposite meanings)Did you mean?Definition of PSAMMONBest Opposite Words For PSAMMONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1metazoannoun, adjectiven, adj2inquilinenounn Alternatives for METAZOAN Words (4)animalcreatureorganismmetazoicPhrases (1)living thingOpposite words for metazoan Alternatives for INQUILINE Words (6)boarderlodgeroccupantrenterresidenttenantOpposite words for inquiline