UNTREATABLE Antonyms There are 2 antonyms of the word untreatable. (opposite meanings)Did you mean?Definition of UNTREATABLESynonyms of UNTREATABLEBest Opposite Words For UNTREATABLETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1curableadjectiveadj2treatableadjectiveadj Alternatives for CURABLE Words (7)improvablerecoverablerectifiableremediablehealablerestorabletreatableOpposite words for curable Alternatives for TREATABLE Words (15)amendablecontrollablecorrectablecurablemalleablemanageablerecoverableremediableremedialresolvablereversiblesolvablefixablehealablerelievableOpposite words for treatable