pyromaniac

From Wiktionary

Word parts[change]

pyro- + -maniac

Pronunciation[change]

  • (US) IPA (key): /ˌpaɪroʊˈmeɪniæk/ or /ˌpaɪrəˈmeɪniæk/

Noun[change]

Singular
pyromaniac

Plural
pyromaniacs

  1. (countable) A pyromaniac is someone who is obsessed with fire, especially someone who often commits arson.