Skip to the word

Added 9 October 2026

arsonist

/ˈɑɹsənəst/ noun

In Latin: incendiārius Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about arsonist at Wordnik → Where our words come from →

One who has committed the act of arson, or illegally setting fire to property.

Origin

From arson + -ist.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word