What is the opposite of “incombustible”?

What is the antonym of “incombustible”?

The antonyms of incombustible are flammable, combustible, and burnable. These words describe materials or substances that can catch fire easily and burn quickly.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!

flammable

Easily ignited and capable of burning quickly.

Example

Gasoline is a highly flammable substance that should be handled with care.

combustible

Capable of catching fire and burning.

Example

Wood is a combustible material that can be used as fuel.

burnable

Capable of being burned.

Example

Paper is a burnable material that should be disposed of properly.

How are these antonyms different from each other?

• 1. Flammable describes materials that can ignite and burn quickly, often producing flames.
• 2. Combustible describes materials that can catch fire and burn, but not necessarily produce flames.
• 3. Burnable describes materials that can be burned, but not necessarily catch fire on their own.

Good things to know

• 1. Safety Precautions: Use flammable to warn people of the potential danger of fire.
• 2. Material Properties: Use combustible to describe the properties of materials that can catch fire and burn.
• 3. Waste Management: Use burnable to describe materials that can be safely burned as waste.

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Remember this!

The antonyms of incombustible describe materials or substances that can catch fire easily and burn quickly. Flammable describes materials that can ignite and burn quickly, combustible describes materials that can catch fire and burn, and burnable describes materials that can be burned.