- causing marked changes in patterns of mood and behavior, as a hallucinogenic drug.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mind-altering
The pair bonded over their interest in mind-altering substances and married two years later.The Week in Death: Alexander Shulgrin, Who Synthesized the Drug Ecstasy
June 7, 2014
There are his mind-altering insomnia and his addiction to his “me-machine,” his cellphone.Joshua Ferris’s New Novel Chronicles an Existential Dentist in Despair
May 6, 2014
Passion Pit: ‘Carried Away (Tiesto Remix)’ Baggies full of colored Fun Dip candy or mind-altering substances?50 Cent, Passion Pit & More of the Best Music Videos of the Week (VIDEO)
January 24, 2013
Analysts say that the stigma of the CIA's experiments with mind-altering drugs during the Cold War has long tainted the field.New Research Suggests Enhanced Interrogation Not Effective
May 25, 2012
- Producing mood changes or distorted perceptions; hallucinogenic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.