子虚 zǐxū fictitious Origin Definitions Defs Strokes Stroke Words Sentences Sents zǐxū fictitious · Zi Xu 子 zǐ noun master (literary) master or teacher, used as a title of respect; also used as a polite way to say "you"虚 虛 xū adjectivenoun false (bound form) false; fake; sham; artificial; imaginaryzǐxū emptiness 子 zǐ noun master (literary) master or teacher, used as a title of respect; also used as a polite way to say "you"虚 虛 xū adjective void emptiness; the void; space