fire·​bug | \ ˈfī(-ə)r-ˌbəg How to pronounce firebug (audio) \

Definition of firebug

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Synonyms for firebug


arsonist, incendiary, torch

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Examples of firebug in a Sentence

after the second suspicious fire, police set a trap for the firebug

Recent Examples on the Web

Some, like the radiantly red firebug, mutate aesthetically, their normally symmetrical designs warped and fractured. National Geographic, "Chernobyl's Mutated Species May Help Protect Astronauts," 30 Apr. 2018 There’s also a young son who is a firebug — and a cliche. Mark Kennedy, idahostatesman, "Woody Allen goes in circles with dark ‘Wonder Wheel’," 14 Dec. 2017 The measured pace and minimalism isn’t for everyone, but the firebug’s escalating, evolving motivations keep the film engaging. Seattle Times Staff, The Seattle Times, "SIFF 2017: Highlights of the film festival’s second week," 25 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'firebug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of firebug

1869, in the meaning defined above

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Time Traveler for firebug

The first known use of firebug was in 1869

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English Language Learners Definition of firebug

US, informal : a person who starts destructive fires

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More from Merriam-Webster on firebug

Rhyming Dictionary: Words that rhyme with firebug

Thesaurus: All synonyms and antonyms for firebug

Spanish Central: Translation of firebug

Nglish: Translation of firebug for Spanish Speakers Encyclopedia article about firebug

Comments on firebug

What made you want to look up firebug? Please tell us where you read or heard it (including the quote, if possible).


miscellaneous remnants or debris

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