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Definition of noncombustible
noncombustible
/ˌnɑːnkəmˈbʌstəbəl/
non · com · bus · ti · ble
Plural:noncombustibles
noncombustible Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
5
noncombustible Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not capable of catching fire and burning under normal conditions.
Example
"The building code requires that the insulation around the furnace be made of noncombustible materials."
Synonyms
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View all antonyms for noncombustible• noun
1
A substance or material that does not catch fire or burn easily.
Example
"At the recycling facility, workers separate paper and plastics from noncombustibles like glass and metal."
Synonyms
View all synonyms for noncombustible Antonyms
View all antonyms for noncombustible• Rhymes for noncombustible
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Noncombustible. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/noncombustible