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drug abuse

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noun
  1. addiction to drugs.
  2. substance abuse involving drugs.
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Origin of drug abuse

First recorded in 1965–70
Related formsdrug abuser, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

drug abuse in Medicine

drug abuse

n.
  1. Habitual use of drugs to alter one's mood, emotion, or state of consciousness.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.