incombustible

/ɪnkəmbˈʌstəbəl/

incombustible

not capable of igniting and burning

Examples

1. One of the holes that the councilman was supposed to be filling with incombustible material.

2. But then he also talks about the incombustible fabrics they make, which isn’t entirely impossible, asbestos isn’t exactly a new substance.

3. So I just had a question about how much of a piece of wood is, say, incombustible.

4. He told a councilman that the holes would have to be filled with incombustible material.