arsonous

/ˈɑːrsənəs/
adjective
  1. Relating to or characteristic of arson or an arsonist.
    • His arsonous behavior worried the neighbors.
    • The detective found arsonous evidence at the scene of the fire.
    • The report described the fire as having an arsonous origin.
Synonyms
What does "arsonous" mean? | whatsthatwordmean | whatsthatwordmean