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Definition of pyro

pyro

/ˈpaɪ.roʊ/
py · ro
Plural:pyros
•
Adjective:pyromaniacal
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pyro Lexical Profile

pyro Game Scores & Validity

• noun

1

A pyromaniac; a person with an obsessive desire to set things on fire (informal).

Example

"Everyone in the neighborhood suspected the local pyro was responsible for the abandoned barn catching fire."

2

Pyrotechnics or a firework display, especially as used in concerts, theatrical productions, or sporting events (informal).

Example

"The stage crew spent hours rigging the pyro for the band's grand finale."

3

Pyrogallol, a white crystalline compound formerly widely used as a photographic developer.

Example

"Early landscape photographers often relied on pyro to develop their glass-plate negatives."

Synonyms
View all synonyms for pyro

• Rhymes for pyro

• Nearby Words

pyrex
pyrite
pyrite falls
pyro
pyrola
pyromancer
pyromania

Word Origin & Etymology

Originated in the 19th and 20th centuries as an informal shortening of words beginning with the combining form 'pyro-' (from Ancient Greek 'pyr', meaning 'fire'), especially 'pyromaniac' and 'pyrotechnics'.

Cite this Entry

Wordmom. (2026). Definition of Pyro. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pyro
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