psychoactive

[ sahy-koh-ak-tiv ]
/ ˌsaɪ koʊˈæk tɪv /

adjective

of or relating to a substance having a profound or significant effect on mental processes: a psychoactive drug.

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decorum

Origin of psychoactive

First recorded in 1960–65; psycho- + active
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for psychoactive

British Dictionary definitions for psychoactive

psychoactive
/ (ˌsaɪkəʊˈæktɪv) /

adjective

capable of affecting mental activitya psychoactive drug
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for psychoactive

psychoactive
[ sī′kō-ăktĭv ]

adj.

Affecting the mind or mental processes. Used of a drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.