open book
Nothing to hide
An open book is something or someone easily understood, with nothing hidden: Her face is an open book.
The metaphor suggests pages displayed for anyone to read.
An open-book exam allows students to consult their notes or textbooks.
To read someone like an open book is to perceive their thoughts or feelings effortlessly.
Allowing light through
- candidHonest and direct
- forthrightDirectly honest in manner
- guilelessFree from deceit
- readableEasy to understand
sincere · authentic · genuine · unpretentious · trustworthy · plain-spoken · unreserved · ingenuous
Able to be foreseen
- legibleAble to be read
- understandableAble to be grasped
- decipherableAble to be decoded
- clearWithout obstruction or fog
simple · obvious · uncomplicated · transparent · easily understood · straightforward · laid bare
New and unusual
- pagesBound paper sheets
- spineColumn of vertebrae
- chapterDivision of a book
- bindingLegally or morally required
paperback · hardcover · manuscript · text · volume · tome · reading · cover
Evaluative examination
- assessmentFormal evaluation of worth
- notesBrief written records
- referenceDirecting attention elsewhere
- untimedWithout deadline or limit
take-home · resources · cheat sheet · study guide · textbook · lookup
transparent
Allowing light through
- candidHonest and direct
- forthrightDirectly honest in manner
- guilelessFree from deceit
readable · sincere · authentic · genuine · unpretentious · trustworthy · plain-spoken · unreserved · ingenuous · straightforward
predictable
Able to be foreseen
- legibleAble to be read
- understandableAble to be grasped
- decipherableAble to be decoded
clear · simple · obvious · uncomplicated · transparent · easily understood · straightforward · laid bare
novel
New and unusual
binding · paperback · hardcover · manuscript · text · volume · tome · reading · cover · leaf
test
Evaluative examination
- assessmentFormal evaluation of worth
- notesBrief written records
- referenceDirecting attention elsewhere
untimed · take-home · resources · cheat sheet · study guide · textbook · lookup
- Knowledge metaphorslight bulb, enlightenment, illumination, dawn, spark
- literary idiomscatch-22, red herring, white whale, chapter and verse, same page
- Book Idiomson the same page, same page, turn the page, cover to cover, new chapter
- authenticityauthentic, genuine, real, fake, counterfeit
- blank slatestabula rasa, clean slate, blank page, blank canvas, clean sheet
- naivetygreenhorn, newbie, tenderfoot, raw recruit, born yesterday
open bookclosed book
Something completely incomprehensible
private person · introvert · poker face · man of mystery · lone wolf
open bookclosed book
Something completely incomprehensible
guarded · secretive · private person · cagey · tight-lipped
open, book, opening, books, booked, opened, booking, bookish, opens