The word "Ichthyic" refers to aquatic or fish-like. There is a wide range of synonyms that can be used for this word. These include watery, marine, piscine, fishy, aquatic, oceanic, subaquatic and amphibious. Depending on the context of usage, the most appropriate synonym can be chosen. For instance, if you want to describe a person who loves the ocean and aquatic life, you can use the word marine instead of ichthyic. Similarly, if you want to describe a particular type of fish, you can use piscine instead of ichthyic. Using synonyms enhances the richness of the language and helps to avoid repetition.