What does pyromaniac mean?
A pyromaniac is someone who has a persistent and intense urge to set fires, often repeatedly and without a lawful or practical reason. In serious discussion, the term refers to a person whose fire-setting is driven by a dangerous impulse, and it is distinct from the broader legal category of arsonist, which can include people who set fires for many different motives. The word can also be used informally, and somewhat humorously, for an obsessive enthusiast of a subject—for example, someone who is a pyromaniac for old maps. The literal sense is alarming and usually connotes danger, compulsion, and disregard for property or safety. Because the term is nontechnical and sensational, discussions of diagnosis generally use pyromania for the condition and reserve pyromaniac for the person. Its unusual combination of Greek roots makes it especially memorable.
nounA pyromaniac is a person who has a persistent, intense urge to set fires. The term is often used figuratively for someone who is obsessively enthusiastic about a particular subject.
- A person who has a persistent, intense urge to set fires, especially repeatedly and without a practical or lawful motive.
- Informally, a person who is obsessively enthusiastic about a subject or activity.
"Investigators determined that the fire was started by a pyromaniac, not by an accidental electrical fault."
"The apartment had been destroyed by a pyromaniac who had returned to the building several times."
"She became a pyromaniac for vintage science-fiction novels, collecting and annotating every edition she could find."
The regular plural adds -s; pyromaniacs is the standard plural.
"The investigation focused on whether the pyromaniacs had acted independently or had been part of a larger group."
A pyromaniac does not merely enjoy a bonfire; the attraction to fire is the defining, potentially dangerous feature.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does pyromaniac come from?
The word was formed in the early 19th century from Greek pyr, meaning “fire,” and mania, meaning “madness,” with the combining element -iac. The related English noun pyromania was also used for an irresistible impulse to set fires. Its semantic development reflects the period's medical and popular interest in classifying forms of madness, while the figurative use is a later, informal extension based on the image of uncontrolled fire.
Related word forms
How pyromaniac is actually used
The term is nontechnical and can sound sensational when applied to a real person. In clinical discussion, pyromania refers to the disorder or impulse, while deliberate fire-setting may have motives other than pyromania. The figurative sense is informal and strongly hyperbolic.
Easily confused with pyromaniac
An arsonist is anyone who deliberately sets a fire unlawfully, whereas a pyromaniac specifically has an intense impulse toward fire-setting.
Pyromania is the disorder or compulsive urge itself, while a pyromaniac is the person who has that urge.