- 太极拳 tàijíquán tai chia traditional Chinese internal martial art practiced for both its defense training and its health benefits, characterized by slow, fluid movements
- 皇太极 Huáng Tàijí Hong TaijiEighth son of Nurhaci, second Khan of the Later Jin dynasty (reigned 1626–1636), and founding emperor of the Qing dynasty (reigned 1636–1643).
- 太极图 Tàijítú cosmological diagramA diagram representing the Chinese philosophical system of the Supreme Ultimate (Taiji) and the evolution of the universe.
- 太极图说 Tàijí Túshuō Taiji Tu ShuoA philosophical book by Song dynasty scholar Zhou Dunyi, providing an interpretation of the Book of Changes.
- 太极剑 tàijíjiàn Tai Chi sworda kind of traditional Chinese swordplay
- 打太极 dǎtàijí pass the buckto avoid responsibility or be evasive, often by shifting a problem to others
- 皇太极清太宗 Huángtàijí Qīng Tàizōng Hong TaijiHong Taiji (1592-1643), eighth son of Nurhaci, reigned 1626-1636 as Second Khan of Later Jin, then founded the Qing dynasty and reigned 1636-1643 as Emperor.