四清 Traditional form: 四清 Pinyin (reading): Sìqīng Definitions: the Four Cleanups Movement (1963-66) abbr. for 四清運動/四清运动 ( Sìqīng Yùndòng) Characters: 四 - four 清 - clean, pure; clear, distinct; peaceful Traditional characters: 四 - four 清 - clean, pure; clear, distinct; peaceful