Synonyms|33Antonyms|27|Broader|2Narrower|0Related|62
10
fireproof(adjective, resistant, insulation, fire extinction)
7
noncombustible(adjective, concrete, fireproof, nonflammable, flameproof)
6
nonflammable(adjective, concrete, insulation, fire extinction, fireproof)
3
flameproof
3
noninflammable(adjective, concrete, fireproof, nonflammable, flameproof)
3
uninflammable(insulation, fire extinction)
2
fire-resistant(adjective, concrete, fireproof, nonflammable, flameproof)
2
fire-retardant
2
non-flammable
2
noncandescent(adjective, concrete, fireproof, nonflammable, flameproof)
2
unburnable
1
asbestine
1
concrete(adjective, fireproof, nonflammable, flameproof, noninflammable)
1
fire-resisting
1
fire-resistive
1
flame-retardant
1
non-combustible
1
non-inflammable
1
refractory
0
asbestos(adjective, concrete, fireproof, nonflammable, flameproof)
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APASmart Define. (2015). incombustible thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/incombustible/thesaurus/synonyms
ChicagoSmart Define. 2015. "incombustible thesaurus" https://smartdefine.org/incombustible/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, incombustible thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/incombustible/thesaurus/synonyms>.
MLASmart Define. "incombustible thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/incombustible/thesaurus/synonyms>