HYDROUS Antonyms There is 1 antonym of the word hydrous. (opposite meanings)Did you mean?Definition of HYDROUSAlso try opposite words for..hydratehydratedhydrateshydratorhydrationBest Opposite Words For HYDROUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1anhydrousadjectiveadj