• synonyms


verb (used with object), pre·scribed, pre·scrib·ing.
  1. to lay down, in writing or otherwise, as a rule or a course of action to be followed; appoint, ordain, or enjoin.
  2. Medicine/Medical. to designate or order the use of (a medicine, remedy, treatment, etc.).
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verb (used without object), pre·scribed, pre·scrib·ing.
  1. to lay down rules; direct; dictate.
  2. Medicine/Medical. to designate remedies, treatment, etc., to be used.
  3. Law. to claim a right or title by virtue of long use and enjoyment; make a prescriptive claim. (usually followed by for or to).
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Origin of prescribe

1425–75; late Middle English < Latin praescrībere to direct in writing, literally, to write before or above, equivalent to prae- pre- + scrībere to write; see scribe1, prescription
Related formspre·scrib·a·ble, adjectivepre·scrib·er, nounmis·pre·scribe, verb, mis·pre·scribed, mis·pre·scrib·ing.non·pre·scribed, adjectivenon·pre·scrib·er, nouno·ver·pre·scribe, verb, o·ver·pre·scribed, o·ver·pre·scrib·ing.re·pre·scribe, verb (used with object), re·pre·scribed, re·pre·scrib·ing.self-pre·scribed, adjectiveun·pre·scribed, adjective
Can be confusedprescribe proscribe


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for prescriber

Historical Examples

  • Guaiacum and aconite may be given with equal benefit in any form preferred by the prescriber.

    A System of Practical Medicine By American Authors, Vol. II


  • Doctor though I am, and prescriber of drugs, I wonder how much good we really do with our powders and potions.

  • The immediate exit of the devil was so apparent that the fame of the prescriber as a medical man was made at once.

  • As Charcot has said, in functional disorders it is not so much the prescription which matters as the prescriber.

    The Nervous Child

    Hector Charles Cameron

  • If the virtue of medicines could be enforced by the benevolence of the prescriber, how soon should I be well.'

British Dictionary definitions for prescriber


  1. to lay down as a rule or directive
  2. law to claim or acquire (a right, title, etc) by prescription
  3. law to make or become invalid or unenforceable by lapse of time
  4. med to recommend or order the use of (a drug or other remedy)
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Derived Formsprescriber, noun

Word Origin

C16: from Latin praescrībere to write previously, from prae before + scrībere to write
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 prescriber



"to write down as a direction," mid-15c., from Latin praescribere "write beforehand" (see prescription). Related: Prescribed; prescribing. Medical sense is from 1580s, probably a back formation from prescription.

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Online Etymology Dictionary, © 2010 Douglas Harper

prescriber in Medicine


  1. To give directions, either orally or in writing, for the preparation and administration of a remedy to be used in the treatment of a disease.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.