Home › Words › N › nonbooknonbooknonbook means that which is not a book.Among words judged in Lexicurio's Arena, nonbook ranks #7,359 of 42,752 for Qualifying.EtymologyFrom non- + book.nounThat which is not a book.An insignificant book; one unworthy of regard.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.bookless 64% match — Without a book or books. vs nonbook →nonplay 62% match — Any work that is not a play. vs nonbook →nonletter 62% match — That which is not a letter (alphabetic symbol). vs nonbook →nonbird 62% match — That which is not a bird. vs nonbook →nonboard 61% match — Not of or pertaining to a board (in any sense). vs nonbook →unbookishness 61% match — The quality of being unbookish. vs nonbook →unbookable 60% match — Not bookable. vs nonbook →nonbookkeeping 60% match — Not carrying out bookkeeping; not keeping records of financial transactions. vs nonbook →