The word "in-dissoluble" means something that is impossible to dissolve or break apart. Therefore, its antonyms would be words or phrases that mean the opposite. Some possible antonyms for "in-dissoluble" could include "disposable," "dissolvable," "separable," "temporary," "fragile," "breakable," or "reversible." All of these words convey the idea that something can be easily undone or separated, rather than being permanently bonded together. By using these antonyms, you can convey the opposite meaning of "in-dissoluble" and emphasize that something can be undone, dissolved, or broken apart.