Definition of "psychological" []

• Of or relating to psychology: psychological research. (adjective)
• Of, relating to, or arising from the mind or emotions. (adjective)
• Influencing or intended to influence the mind or emotions: psychological warfare. (adjective)
• Of or being any of certain primary colors whose mixture may be subjectively conceived as producing other colors. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But that word got to be associated with the dissemination of outright lies, so the United States started using the term psychological warfare, which eventually gave way to psy-ops."
• "One has evidently the right to apply the term psychological to the whole sensation, taken _en bloc_, and comprising in itself both impression and consciousness."
• "As it is commonly applied, the term psychological addiction covers at least three areas, only one of which would include ..."