in-your-face (?n?yo?or?f?s?, -yôr?-, -y?r-)adj. Marked by or done in a bold, defiant, or aggressive manner: in-your-face advertising; an in-your-face challenge to authority.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.in-your-face adj slang aggressive and confrontational: provocative in-your-face activism. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014in?-your`-face? adj. Informal. confrontational; defiant. [1975?80] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.