What is another word for more rock-hard?
Pronunciation: [mˈɔː ɹˈɒkhˈɑːd] (IPA) 
Rock-hard is a term that is commonly used to describe something that is extremely hard or tough. However, there are several synonyms that can be used to express the same meaning in different ways. For instance, the term "unyielding" is often used to describe something that cannot be bent or broken, while "impenetrable" is a word typically used to describe something that cannot be penetrated or pierced. Other synonyms for "more rock-hard" include "indestructible," "unbreakable," "solid," and "firm." These words can be used in various contexts to describe anything from physical objects to a person's resolve or determination.
