by the book

Following every rule

By the book means following rules, procedures, or established methods exactly as prescribed, without deviation or improvisation: The detective did everything by the book, so the case couldn't be thrown out on a technicality.

The phrase suggests strict adherence to official guidelines, sometimes approvingly (proper procedure), sometimes critically (inflexible, unimaginative): He's a by-the-book manager who won't bend the rules for anyone.

strict

rigid

Unable to bend

literal · exact · stringent · stern · unrelenting · unyielding · hardline · zero-tolerance · unforgiving · no-nonsense

methodical

systematic

Following ordered procedures

precise · thorough · orderly · step-by-step · methodical · documented · standardized · consistent · regimented · procedural

compliant

legal

Permitted by statute

permissible · regulatory · statutory · constitutional · codified · enforceable · ethical · licensed · sanctioned · certified

conventional

traditional

Following long-held customs

standard · mainstream · conformist · typical · normative · accepted · expected · predictable · safe · conservative

Categories
Opposites
flexibility/creativity

by the bookimprovised

Created without prior planning

off the cuff · ad lib · winging it · freestyling · playing it by ear

ethical means

by the bookby hook or by crook

Using whatever method works

by any means necessary · no holds barred · dirty · underhanded · shady

Family

book, textbook, bookish, booklet, e-book, textbooks, bookstore, bookmark, booklets

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G