CAESIUM Antonyms There are 9 antonyms of the word caesium. (opposite meanings)Did you mean?Definition of CAESIUMSynonyms of CAESIUMBest Opposite Words For CAESIUMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1bariumnounn2calciumnounn3franciumnounn4lithiumnounn5magnesiumnounn6potassiumnounn7rubidiumnounn8sodiumnounn9strontiumnounn Alternatives for BARIUM Words (1)baPhrases (1)atomic number 56Opposite words for barium Alternatives for FRANCIUM Words (1)virginiumPhrases (1)atomic number 87Abbreviations (1)frOpposite words for francium Alternatives for LITHIUM Words (1)liPhrases (2)alkali metalatomic number 3Opposite words for lithium Alternatives for SODIUM Words (4)naalkalisaltnatriumPhrases (1)atomic number 11Opposite words for sodium