1. In a physically fierce manner
   "they fought fiercely"
   - ferociously 
2. In an emotionally fierce manner
   "she was fiercely proud of her children"

See also: fierce

• Franck
• Franco-
• Franco-American
• Franco-Prussian War
• Francoa
• Francoa ramosa
• francolin
• Francophil
• Francophile
• Francophobe
• francophone
• frangibility
• frangible
• frangibleness
• frangipane
• frangipani
• frangipanni
• franglais
• frank
• Highway Code
• highway engineer
• highway robbery
• highway system
• highwayman
• Higi