自由 (zì yóu) means freedom, liberty, or free. 自 means self and 由 means to follow or reason. Together they convey the idea of following one's own will. It functions as a noun (争取自由, fight for freedom), adjective (自由时间, free time), and adverb (自由地发言, to speak freely). Common compounds: 自由市场 (free market), 言论自由 (freedom of speech), 自由式 (freestyle). It is also a common Chinese given name.