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Incombustible has 9 synonyms. The top synonyms for incombustible are fire-resistant, noncombustible, flame-retardant, fire-retardant, fire-resistive, fireproof, fire-resisting, nonflammable and 1 more. Another word for incombustible is fire-resistant. Browse the full list below.
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| Random | DefinitionA common synonym for incombustible is fire-resistant. Other synonyms include noncombustible, flame-retardant, fire-retardant, fire-resistive.
Incombustible has 9 synonyms listed on Thesaurasize.
°Not capable of catching fire and burning; not flammable.
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