Synonyms of combustible
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explosiveSomething that is explosive is capable of causing an explosion.
• Highly explosive gas is naturally found in coal mines.
flammableFlammable chemicals, gases, cloth, or other things catch fire and burn easily.
• flammable liquids such as petrol or paraffin
inflammableAn inflammable material or chemical catches fire and burns easily.
• A highly inflammable liquid escaped into the equipment.
Thesaurus for combustible from the Collins English Thesaurus
capable of igniting and burning