noncombustible

Definitions of noncombustible
  1. adjective
    not capable of igniting and burning
    synonyms: incombustible
    fireproof
    impervious to damage by fire
    fire-resistant, fire-resisting, fire-resistive, fire-retardant
    difficult to burn
    flame-retardant, flameproof
    resistant to catching fire
    nonflammable
    impossible to ignite
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    antonyms:
    combustible
    capable of igniting and burning
    burnable, ignitable, ignitible
    capable of burning
    comburant, comburent, combustive
    supporting combustion
    flammable, inflammable
    easily ignited
    ignescent
    can emit sparks or burst into flame
    incendiary
    capable of catching fire spontaneously or causing fires or burning readily
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