n.
A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable: A previous allergic reaction to penicillin is a contraindication to the future use of that drug.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
