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Synonyms

arsonist

American  
[ahr-suh-nist] / ˈɑr sə nɪst /

noun

  1. a person who commits arson.


Etymology

Origin of arsonist

First recorded in 1860–65; arson + -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The revelations — unveiled in a criminal complaint and attached affidavit Wednesday charging the alleged arsonist, Jonathan Rinderknecht — raise questions about what the Los Angeles Fire Department could have done to prevent the conflagration.

From Los Angeles Times • Feb. 24, 2026

Once again, he is both arsonist and fireman.

From Salon • Oct. 31, 2025

Indeed, Mark Zuckerberg offering Instagram-specific screen-time reports and time limits has the whiff of an arsonist handing out firefighting tips.

From Slate • Sep. 5, 2025

And he appeared just as often in more popular fare, playing a spacey tank commander in “Kelly’s Heroes,” a demented arsonist in “Backdraft” and an authoritarian president in the “Hunger Games” films.

From Seattle Times • Mar. 27, 2024

On February 27, 1933, one month after Hitler’s appointment, a known Communist and arsonist set fire to the Reichstag, the parliamentary building.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti