The word "in-crusted" means covered in a hard outer layer, like a crust or coating. Some synonyms for "in-crusted" could be coated, encrusted, or encased. However, when looking for antonyms, we want to find words that mean the opposite of "in-crusted." Antonyms for "in-crusted" could be bare, exposed, or unenclosed. These words suggest a lack of covering or protection. Other antonyms include unadorned, unvarnished, and plain. These words emphasize simplicity and lack of embellishment. Overall, antonyms for "in-crusted" reflect a sense of openness and minimalism, lacking the hard outer layer that characterizes "in-crusted" objects.