1. With passionate fervour
   "a fierily opinionated book"
   - fervently, fervidly

See also: fiery

• xerophthalmia
• xerophthalmus
• Xerophyllum
• Xerophyllum tenax
• xerophyte
• xerophytic
• xerophytic plant
• xeroradiography
• xerosis
• xerostomia
• xerotes
• xerox
• xerox copy
• Xerox machine
• Xerxes
• Xerxes I
• Xerxes II
• Xerxes the Great
• Xestobium rufovillosum
• Xhosa
• xi
• Xian
• xii
• xiii
• Ximenesia encelioides