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contraindicate

[kon-truh-in-di-keyt]
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verb (used with object), con·tra·in·di·cat·ed, con·tra·in·di·cat·ing. Medicine/Medical.
  1. (of a symptom or condition) to give indication against the advisability of (a particular or usual remedy or treatment).

Origin of contraindicate

1660–70; probably back formation from contraindication. See contra1, indication
Related formscon·tra·in·di·cant [kon-truh-in-di-kuh nt] /ˌkɒn trəˈɪn dɪ kənt/, nouncon·tra·in·di·ca·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for contraindication

contraindicate

verb
  1. (tr; usually passive) med to advise against or indicate the possible danger of (a drug, treatment, etc)
Derived Formscontraindicant, nouncontraindication, noun
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 contraindication

contraindicate

v.

1660s, from contra- + indicate. Related: Contraindicated; contraindication (1620s).

Online Etymology Dictionary, © 2010 Douglas Harper

contraindication in Medicine

contraindication

(kŏn′trə-ĭn′dĭ-kāshən)
n.
  1. A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable.

contraindicate

(kŏn′trə-ĭndĭ-kāt′)
v.
  1. To indicate the inadvisability of something, such as a medical treatment.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.