Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Affecting the mind or mental processes. Used of a drug.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Affecting the mind or mental processes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. affecting the mind or mood or other mental processes

Etymologies

From psycho- +‎ active. (Wiktionary)

Examples

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