Home › Words › B › billbookbillbookbillbook means A wallet; a pocketbook.EtymologyBill + booknounA wallet; a pocketbook.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.billfold 77% match — A small, folding sleeve or case designed to hold paper currency, as well as credit cards, pictures, etc. vs billbook →pocketbook 68% match — A purse or handbag. vs billbook →walletlike 63% match — Resembling a wallet. vs billbook →booklet 60% match — A small or thin book. vs billbook →showbill 59% match — A large printed advertisement. vs billbook →bysack 59% match — A wallet. vs billbook →bookwork 59% match — Accounting work; book keeping. vs billbook →walleted 59% match — having a wallet vs billbook →