arsonist
/ˈɑːs(ə)nɪst
/noun
A person who commits arson: police believe arsonists were responsible for both fires...
- I did not find even one case that dealt with the sentencing of a female serial arsonist.
- A convicted arsonist with a history of mental illness has been set free despite threatening to set fire to a block of flats.
- The press has been quick to condemn arsonists for the fires raging in New South Wales in Australia.
Synonyms
incendiary, pyromaniac, firebomber;
British fire-raiser
informal firebug, pyro
North American informal torch