Ignitibility is the ability of a material to catch fire or ignite. There are various synonyms for this word that can be used depending on the context. Flammability is a commonly used synonym that is often used to describe the combustibility of substances and materials. Combustibility is also synonymous with ignitibility and refers to the material's ability to burn or catch fire. Inflammability is another synonym that refers to the property of a material to burn or ignite when exposed to heat or flame. Other synonyms include combustibleness, fire-proneness, and incendivity. Regardless of the word used, they all refer to the property of a material to catch fire or ignite.