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arsonist

[ahr-suh-nist]
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noun
  1. a person who commits arson.
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Origin of arsonist

First recorded in 1860–65; arson + -ist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

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Word Origin and History for arsonist

n.

1864, from arson + -ist.

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Online Etymology Dictionary, © 2010 Douglas Harper