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Showing results for noncombustible. Search instead for non--combustible.
Synonyms

noncombustible

American  
[non-kuhm-buhs-tuh-buhl] / ˌnɒn kəmˈbʌs tə bəl /

adjective

  1. not flammable.


noun

  1. a noncombustible substance.

Other Word Forms

  • noncombustibility noun

Etymology

Origin of noncombustible

First recorded in 1965–70; non- + combustible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But undertaking a comprehensive renovation — to remove wood decks, install noncombustible siding and roofing, replace windows with multipaned tempered glass, hardscape the land near the house and trim down trees — is expensive.

From Los Angeles Times • Nov. 24, 2025

Those include cleaning gutters, storing firewood far from the house, and using noncombustible fencing.

From Slate • Jan. 14, 2025

He identified fire-resistant materials for his walls and windows and created a five-foot noncombustible buffer zone around his house.

From National Geographic • Feb. 23, 2024

“I recommend using noncombustible mulch options, such as rock or gravel, within 5 feet of your home,” Clayton says.

From Seattle Times • Jul. 14, 2023

All passages should be straight and wide and all scenery noncombustible.

From Chicago's Awful Theater Horror by Various