unmanageable adj. + Add to list US //ənˈmænɪdʒəbəɫ// UK //ʌnmˈænɪdʒəbəl// un·man·age·able SynonymsAntonymsEtymology Synonyms difficultuncontrollableuncorrectableunwieldy Antonyms manageablewieldyOrigin From un- + manageable.