firebug: meaning, definition, pronunciation and examples
C1Informal / Technical (depending on sense)
Quick answer
What does “firebug” mean?
A person who deliberately and maliciously sets fire to property.
Audio
Pronunciation
Definition
Meaning and Definition
A person who deliberately and maliciously sets fire to property; an arsonist.
Can also refer to a brightly-coloured insect, especially of the family Pyrrhocoridae (e.g., the red firebug). The extended sense is primarily entomological.
Dialectal Variation
British vs American Usage
Differences
The primary arsonist sense is used in both varieties. The insect sense is more likely in formal/entomological contexts globally. 'Arsonist' is the more formal, legal term in both.
Connotations
Equally pejorative for the criminal sense in both varieties. No significant difference in connotation.
Frequency
Low-frequency in everyday speech for the arsonist sense; 'arsonist' is more common. The insect sense is very low-frequency outside specific fields.
Grammar
How to Use “firebug” in a Sentence
The [police] arrested the firebug.The [fire] was started by a firebug.He was labeled a firebug.Vocabulary
Collocations
Examples
Examples of “firebug” in a Sentence
verb
British English
- [Not standard; 'firebug' is not used as a verb]
American English
- [Not standard; 'firebug' is not used as a verb]
adverb
British English
- [Not standard; 'firebug' is not used as an adverb]
American English
- [Not standard; 'firebug' is not used as an adverb]
adjective
British English
- [Not standard; 'firebug' is not used as an adjective]
American English
- [Not standard; 'firebug' is not used as an adjective]
Usage
Meaning in Context
Business
Not used. Legal/insurance contexts use 'arsonist'.
Academic
Rare; used in criminology or entomology papers.
Everyday
Informal, used in news reports or conversation about crime.
Technical
Specific term in entomology for certain insect species.
Vocabulary
Synonyms of “firebug”
Strong
Neutral
Vocabulary
Antonyms of “firebug”
Watch out
Common Mistakes When Using “firebug”
- Using 'firebug' to mean 'firefly'.
- Using it in formal legal writing instead of 'arsonist'.
- Confusing the pejorative criminal sense with the neutral insect sense without clear context.
FAQ
Frequently Asked Questions
Not exactly. 'Pyromaniac' is a clinical term for someone with a compulsive psychological disorder to set fires. 'Firebug' is a more general, informal term for anyone who deliberately sets fires, which may include pyromaniacs, but also vandals, criminals, or thrill-seekers.
No. Even in its insect sense, it is a descriptive, neutral term. In its primary human sense, it is exclusively negative and accusatory.
In formal and legal contexts, 'arsonist' is the most common and appropriate synonym.
Context is key. If the topic is crime, police, or fires, it means an arsonist. If the topic is biology, gardening, or insects, it refers to the bug. The surrounding words will make it clear.
A person who deliberately and maliciously sets fire to property.
Firebug is usually informal / technical (depending on sense) in register.
Firebug: in British English it is pronounced /ˈfaɪəbʌɡ/, and in American English it is pronounced /ˈfaɪ(ə)rˌbʌɡ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms specific to this word]”
Learning
Memory Aids
Mnemonic
Think of a 'bug' (person) obsessed with 'fire'.
Conceptual Metaphor
CRIME IS A DISEASE / PEST (the criminal is a 'bug' to be eradicated).
Practice
Quiz
In which context would the word 'firebug' be considered a neutral, technical term?