HYDRATOR Antonyms There is 1 antonym of the word hydrator. (opposite meanings)Did you mean?Definition of HYDRATORAlso try opposite words for..hydratehydratedhydrateshydrationhydratingBest Opposite Words For HYDRATORTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1dehydratornounn