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Synonyms

firebug

American  
[fahyuhr-buhg] / ˈfaɪərˌbʌg /

noun

Informal.
  1. arsonist; incendiary; pyromaniac.


firebug British  
/ ˈfaɪəˌbʌɡ /

noun

  1. informal a person who deliberately sets fire to property

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of firebug

An Americanism dating back to 1870–75; fire + bug 1

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.

Organizers have prepared a form and a mobile app to help people identify and report their firebug and lacewing sightings during this year’s two insect-counting events.

From Seattle Times

Outside, hundreds of bright red firebug beetles jockey for relief from the spring chill in a sliver of sunlight.

From BBC

They think I’m a thief and a firebug.

From Literature

Yeun skillfully captures the intriguing yet unnerving nature of a professed firebug.

From Washington Post

Some, like the radiantly red firebug, mutate aesthetically, their normally symmetrical designs warped and fractured.

From National Geographic