in·tra·psy·chic (?n?tr?-s??k?k)adj. Existing or taking place within the mind or psyche: intrapsychic conflict.in?tra·psy?chi·cal·ly adv.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.intrapsychic (??ntr??sa?k?k) adj (Psychology) psychol existing or occurring within the mindCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014in?tra?psy?chic (??n tr??sa? k?k) adj. existing or occurring within the mind or psyche. [1915?20] in`tra?psy?chi?cal?ly, adv. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.