Definition of fire-hot in US English:

fire-hot

adjective

  • 1Very hot, red-hot.

  • 2Figurative. Inflamed with zeal, passion, or lust; ardent, fervent.

  • 3Of food: having a taste characterized by an intense burning sensation; very spicy.

Origin

Old English; earliest use found in Cynewulf (fl. c975), poet. From fire + hot.

Pronunciation

fire-hot

/ˈfʌɪəˌhɒt/