drug-abuse

drug abuse

noun
1.
addiction to drugs.
2.
substance abuse involving drugs.

Origin:
1965–70

drug abuser, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

drug abuse n.
Habitual use of drugs to alter one's mood, emotion, or state of consciousness.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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