a process of photographic printing, used chiefly in copying architectural and mechanical drawings, which produces a white line on a blue background.
a print made by this process.
a detailed outline or plan of action: a blueprint for success.

verb (used with object)

to make a blueprint of or for.

Origin of blueprint

First recorded in 1885–90; blue + print
Related formsblue·print·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blueprint

Contemporary Examples of blueprint

Historical Examples of blueprint

  • I saw a blueprint spread on a foreman's desk as I walked past.

    Sense from Thought Divide

    Mark Irvin Clifton

  • He was studying a blueprint, and this time he made no effort to break the silence.

    The Daughter of a Magnate

    Frank H. Spearman

  • He poured over the blueprint again, striving to concentrate.

    The Sword

    Frank Quattrocchi

  • I'd forgotten her God had a blueprint for all these little difficulties.

  • On the table before him was what appeared to be a rough map or blueprint.

    The Apartment Next Door

    William Andrew Johnston

British Dictionary definitions for blueprint



Also called: cyanotype a photographic print of plans, technical drawings, etc, consisting of white lines on a blue background
an original plan or prototype that influences subsequent design or practicethe Montessori method was the blueprint for education in the 1940s


(tr) to make a blueprint of (a plan)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for blueprint

also blue-print, 1882, from blue (1) + print (n.). The process uses blue on white, or white on blue. Figurative sense of "detailed plan" is attested from 1926. As a verb by 1939.

Online Etymology Dictionary, © 2010 Douglas Harper