1. the quality or state of being easily set on fire or capable of burning readily

Examples

• The flammability of gasoline makes it dangerous to store near open flames.
• Manufacturers must test the flammability of children's clothing before selling it.
• The high flammability of dry wood means it catches fire easily.
• Fire safety regulations require labeling products based on their flammability.
• Scientists studied the flammability of different materials used in aircraft construction.
• The fabric's flammability rating determines whether it can be used in upholstery.