ignescent

/ɪɡˈnɛsənt/
adjective
  1. Capable of bursting into flames or catching fire easily.
    • In the laboratory, they stored the ignescent materials in a special fireproof cabinet.
    • The dry leaves were so ignescent that a single spark could start a wildfire.
    • Firefighters warned that the spilled chemicals were highly ignescent and needed careful handling.
Antonyms