What is Fiery?

Fiery definition and meaning on Dictionary terms:
adjective,, fierA.iA.est.
consisting of, attended with, characterized by, or containing fire: a volcano’s fiery discharge.
intensely hot: fiery desert sands.
like or suggestive of fire: a fiery red; angry, fiery eyes.
intensely ardent, impetuous, or passionate: fiery courage; a fiery speech.
easily angered or provoked: a fiery temper.
causing a burning sensation, as certain liquors or condiments.

inflamed, as a tumor or sore.
Mining Older Use. highly flammable. containing highly flammable gas.