What is "wuji"

Wuji can refer to:

• Wuji (people) (勿吉人), pronounced in ancient times as "Moji or "Merjie", an ancient ethnic group in Manchuria
• Wuji (philosophy) (無極), concept in Chinese philosophy and Taoism, as opposed to Taiji (太極 "Great Ultimate")
• Wuji (The Promise) (無極), 2005 Chinese film directed by Chen Kaige
• Zhangsun Wuji (長孫無忌), Tang Dynasty chancellor

Wújí 無極 (literally "without ridgepole") originally meant "ultimate; boundless; infinite" in Warring States period (476-221 BCE) Taoist classics, but came to mean the "primordial universe" prior to the Taiji 太極 "Supreme Ultimate" in Song Dynasty (960-1279 CE) Neo-Confucianist cosmology. Wuji is also a proper noun in Modern Standard Chinese usage; for instance, Wuji County in Hebei.