FELONWORT Meaning of FELONWORT in English ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun 1. : bittersweet 2a2. : celandine 13. : masterwort a4. : herb robert Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012