What is another word for unpiercable?
Pronunciation: [ʌnpˈi͡əkəbə͡l] (IPA) 
The word "unpiercable" means impossible to pierce or penetrate. There are several synonyms for this word, including impenetrable, impenetrative, inviolable, impervious, indomitable, and unyielding. "Impenetrable" refers to something that cannot be entered or passed through, while "impenetrative" refers to something that cannot be penetrated by a specific substance or thing. "Inviolable" means something that cannot be violated or broken, while "impervious" refers to something that cannot be affected or penetrated by something else. "Indomitable" refers to something that cannot be subdued or conquered, while "unyielding" means something that cannot be bent or moved.
