The phrase "thick hides" refers to the tough, durable skin of animals, such as those used for leather production. There are many synonyms that can be used to describe this characteristic, including "strong hides," "tough hides," "sturdy hides," and "resilient hides." Other options include "dense hides," "tanned hides," "rugged hides," and "hardy hides." These synonyms all refer to a similar quality of animal skin that can withstand wear and tear, making them ideal for use in a range of applications, from clothing and accessories to furniture and other household goods. Overall, the many synonyms for "thick hides" demonstrate the importance of this aspect of animal anatomy in our everyday lives.