A word that is never spoken but is seen in books all the time: Indiscriminate, chortle, begrudgingly, facade...
Judy: I begrudgingly drove my sister to school this morning.
Beth: Begrudgingly? that is such a book word! no one actually says that word aloud!
1. The instructions, user or technical manual for a piece of equipment.
2. By inference, any important piece of documentation, either as treeware or in electronic form.
"Where's the Book of Words for the router ?"
"I've logged the fault in the Book of Words."
A sarcastic term commonly used to replace 'Dictionary' when somebody uses longer words than they normally would.
Ben : “This food is proper phenomenal.”
Kim : “You been reading up on a Big Word Book?”