NONCOMBUSTIBLE Synonyms: 29 Similar and Opposite Words

noncombustible

adjective

ˌnän-kəm-ˈbə-stə-bəl

Definition of noncombustible

as in incombustible

incapable of being burned firefighting gear is made of noncombustible material

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of noncombustible Trees would also be allowed, but would need to be trimmed away from walls and roofs, and residents could install only noncombustible fencing against the house. — Noah Haggerty, Los Angeles Times, 25 Apr. 2026 This means new homes are being constructed with noncombustible or fire-resistant materials. — Mary Wasson, Austin American Statesman, 3 Mar. 2026 Items mentioned in the ban include noncombustible products which can be chewed, absorbed, dissolved or ingested by other means. — Dana Afana, Freep.com, 22 Oct. 2025 That includes features such as self-closing doors and noncombustible stairways. — Desiree Mathurin, Charlotte Observer, 30 Sep. 2025 See All Example Sentences for noncombustible

Recent Examples of Synonyms for noncombustible

Adjective

The Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.

— Chicago Tribune staff, Chicago Tribune, 22 May 2022
The Chicago Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.

— Kori Rumore, chicagotribune.com, 1 Oct. 2021

Definition of incombustible

Adjective

The Iroquois Theatre fire resulted in reforms such as fireproof scenery and stage curtains, illuminated exits and doors that open outward.

— Kori Rumore, Chicago Tribune, 11 July 2026
Ultimately, the Studies Building came to be composed in the International Style out of concrete, stone, wood and transite, a fireproof composite material.

— News Desk, Artforum, 7 July 2026

Definition of fireproof

Adjective

Residents should clear dead or dying vegetation around their homes, landscape with fire-resistant plants and nonflammable ground cover, and find alternative ways to dispose of landscape debris, according to Cal Fire’s Nevada-Yuba-Placer Unit.

— Haley Parsley, Sacbee.com, 17 June 2026
That’s where nonflammable alternatives become essential.

— Georgina Jedikovska, Interesting Engineering, 6 May 2026

Definition of nonflammable

Browse Nearby Words

noncombative

noncombustible

noncommercial

See all Nearby Words

Cite this Entry

Style

“Noncombustible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/noncombustible. Accessed 22 Jul. 2026.

Copy Citation

Synonyms of noncombustible

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

stalwart

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

Why do we say 'fly off the handle'?

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

Games & Quizzes