不刊之书 bùkānzhīshū unalterable writings Definitions Defs Origin Strokes Stroke Words Sentences Sents 不刊 bùkān unalterable (bound form) unalterable; indelible; immutable之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.书 書 shū noun book book; volumes or works of text or drawings bound together