heightening perceptions in a hallucinatory way: mind-expanding drugs.


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World English Dictionary
(of a drug such as LSD) causing a sensation of heightened consciousness; psychedelic

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

mind-expanding adj.

  1. Producing intensified or distorted perceptions; psychedelic.

  2. Producing an increased perceptive awareness.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Her third great good fortune was her array of mind-expanding, appreciative
Along the way he comes to reject the gun and accept the mind-expanding and
  pain-numbing possibilities of marijuana.
What excites him even more is using his treasures to make mind-expanding
It was a really fun, energizing, and mind-expanding evening.
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