Synonyms of flammable
usage note:Flammable and inflammable are interchangeable when used of the properties of materials. Flammable is, however, often preferred for warning labels as there is less likelihood of misunderstanding (inflammable being sometimes taken to mean not flammable). Inflammable is preferred in figurative contexts: this could prove to be an inflammable situation.
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combustibleA combustible material or gas catches fire and burns easily.
• Methane is a highly combustible gas.
inflammableAn inflammable material or chemical catches fire and burns easily.
• A highly inflammable liquid escaped into the equipment.
Thesaurus for flammable from the Collins English Thesaurus
liable to catch fire; readily combustible; inflammable