1. With passionate fervour
   "both those for and against are fervently convinced they speak for the great majority of the people"
   - fierily, fervidly

See also: fervent

• osmoregulation
• osmose
• osmosis
• osmotic
• osmotic pressure
• osmotically
• osmund
• Osmunda cinnamonea
• Osmunda clatonia
• Osmunda regalis
• Osmundaceae
• osprey
• ossein
• osseous
• osseous labyrinth
• osseous tissue
• Ossete
• Ossi
• ossia
• ossicle
• ossicular
• ossiculate
• ossiculum
• ossiferous
• ossification