Nearby Words

psychoactive

[sahy-koh-ak-tiv]

psy·cho·ac·tive

[sahy-koh-ak-tiv]
adjective
of or pertaining to a substance having a profound or significant effect on mental processes: a psychoactive drug.

Origin:
1960–65; psycho- + active
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Psychoactive is always a great word to know.
So is interrobang. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Collins
World English Dictionary
psychoactive (ˌsaɪkəʊˈæktɪv)
 
adj
capable of affecting mental activity: a psychoactive drug

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

psychoactive psy·cho·ac·tive (sī'kō-āk'tĭv)
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.
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