Incombustible and Noninflammable

Incombustible

Incombustible adjective - Incapable of being burned.
Usage example: we keep our important papers in an incombustible safe in the basement

Noninflammable is a synonym for incombustible in nonflammable topic. In some cases you can use "Noninflammable" instead an adjective "Incombustible", when it comes to topics like fireproof, resistant to burning.

Nearby Word: incombustibility

Noninflammable

Noninflammable adjective - Incapable of being burned.
Usage example: noninflammable materials used for construction of the interior of the nightclub

Incombustible is a synonym for noninflammable in nonflammable topic. You can use "Incombustible" instead an adjective "Noninflammable", if it concerns topics such as resistant to burning.
Cite this Source
Noninflammable and Incombustible. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/incombustible/noninflammable
Incombustible & Noninflammable. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/incombustible/noninflammable>.
Noninflammable or Incombustible. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/incombustible/noninflammable.
Google Ngram Viewer shows how "incombustible" and "noninflammable" have occurred on timeline