Synonyms of 'inferno'
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A blaze is a large fire which is difficult to control and which destroys a lot of things.
Two firemen were hurt in a blaze which swept through a tower block.
A conflagration is a fire that burns over a large area and destroys property.
All the stock was destroyed in a warehouse conflagration.
Thesaurus for inferno from the Collins English Thesaurus
If you refer to a fire as an inferno , you mean that it is burning fiercely and causing great destruction .