adj passionate; easily provoked; irritable.
2. fiery ·adj vehement; ardent; very active; impetuous.
3. fiery ·adj unrestrained; fierce; mettlesome; spirited.
4. fiery ·adj heated by fire, or as if by fire; burning hot; parched; feverish.
5. fiery ·adj consisting of, containing, or resembling, fire; as, the fiery gulf of etna; a fiery appearance.