Not catching fire easily; not flammable.
More example sentences
- Caves are also non-flammable and easily defended.
- They are chemically very stable, non-flammable, non-toxic, and easily liquefied.
- And I walked into the toystore and found an age-appropriate, non-flammable present.
See inflammable (usage).
Definition of nonflammable in:
- The British & World English dictionary