pho·bic (f??b?k)adj. Of, relating to, arising from, or having a phobia.n. One who has a phobia.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.phobic (?f??b?k) adj (Pathology) of, relating to, or arising from a phobian (Pathology) a person suffering from a phobiaCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pho?bic (?fo? b?k) adj. 1. of, pertaining to, or afflicted with a phobia or phobias. n. 2. a person suffering from a phobia. [1895?1900] -phobic a combining form used to form adjectives corresponding to nouns ending in -phobe: acrophobic; xenophobic. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.