noncombustible

adjective

non·​com·​bus·​ti·​ble ˌnän-kəm-ˈbə-stə-bəl 

: incapable of igniting and burning when subjected to fire : not combustible

noncombustible materials

drums of noncombustible waste

Synonyms

• fireproof
• incombustible
• nonflammable
• noninflammable

Examples of noncombustible in a Sentence

firefighting gear is made of noncombustible material

Recent Examples on the Web

Even simple efforts, such as creating a 5-foot noncombustible buffer around the home, installing screens on vents, and maintaining decks and yards, can make homes safer. —Mike Zukerman, The Mercury News, 27 July 2024

Such wood can be used in place of those noncombustible materials in exterior walls, according to Escobar and a review of state and international building codes. —Gordon Rago, Charlotte Observer, 16 Apr. 2024

Install noncombustible gutter covers to stop leaf and debris accumulation. —Carlos Rico, San Diego Union-Tribune, 23 Oct. 2023

Cover chimney and stovepipe outlets with a noncombustible corrosion resistant metal mesh screens with 3/8-inch to 1/2-inch openings. —Carlos Rico, San Diego Union-Tribune, 23 Oct. 2023

Word History

First Known Use

1827, in the meaning defined above