What is another word for most incombustible?
Pronunciation: [mˈə͡ʊst ɪnkəmbˈʌstəbə͡l] (IPA) 
When it comes to describing something that is highly resistant to combustion, the word "incombustible" often comes to mind. However, there are several other synonyms that can be used to convey the same meaning. These include words like non-flammable, fire-resistant, refractory, asbestos-free, and heatproof. Each of these synonyms can be used in place of "most incombustible" depending on the context in which it is being used. For example, a building that is made of fire-resistant materials could be described as being incombustible, while a product that is coated with non-flammable material could also be described as being highly resistant to combustion.
