firestorm

UK: /ˈfaɪəˌstɔːm/ US: /ˈfaɪrˌstɔrm/ ,(fī^ər′stôrm′)

WordReference Random House Learner's Dictionary of American English © 2026

fire•storm or fire storm /ˈfaɪrˌstɔrm/   n. [countable]

1. Meteorology an enormous fire in which a rising column of air above the fire draws in strong winds often accompanied by rain.
2. an intense outburst:
   a firestorm of protest from the voters.

WordReference Random House Unabridged Dictionary of American English © 2026

fire•storm  (fī^ər′stôrm′), n. 

1. an atmospheric phenomenon, caused by a large fire, in which the rising column of air above the fire draws in strong winds often accompanied by rain.
2. a raging fire of great intensity, as one fueled by oil or gas, that spreads rapidly.

Also, fire′ storm′. 

• fire + storm 1575–85

Collins Concise English Dictionary © HarperCollins Publishers::

firestorm / ˈfaɪəˌstɔːm/ noun

1. an uncontrollable blaze sustained by violent winds that are drawn into the column of rising hot air over the burning area: often the result of heavy bombing