Definitions

1. noun

a person who sets fires or causes damage by fire, typically in a riot or demonstration.

“The police were searching for the pyro responsible for the arson attack.”

2. noun

a person who enjoys or is skilled at working with fire, such as a pyrotechnician or a fire dancer.

“The pyro was the main attraction at the circus, performing a fire-breathing act.”

3. adjective

relating to or caused by fire.

“The pyro effects in the fireworks display were stunning.”