The Oxford Thesaurus An A-Z Dictionary of Synonyms - fiery adj.

1) burning, flaming, blazing, hot, red-hot, white-hot, overheated; afire, on fire, in flames, ablaze: Fiery lava burst from the volcano. 2) glowing, red, incandescent, brilliant, luminous, glaring, gleaming, radiant; aglow, afire: We watched the fiery sunset fade into azure hues. 3) ardent, eager, spirited, passionate, excited, excitable, peppery, irascible, touchy, irritable, edgy, hotheaded, fierce: I had best not be late as my boss has a fiery temper.