- the Three Religions (Daoism, Confucianism, Buddhism) and Nine Schools (Confucians, Daoists, Yin-Yang, Legalists, Logicians, Mohists, Political Strategists, Eclectics, Agriculturists)
- fig. people from all trades (often derog.)
旧指宗教或学术上的各种流派。也指社会上各行各业的人。
出处 宋·赵彦卫《云麓漫钞》卷六：“（梁武）帝问三教九流及汉朝旧事，了如目前。”
示例 他是个社会活动家，朋友遍及～。