rid·den (r?d?n)v.Past participle of ride.adj. Dominated, harassed, or obsessed by. Often used in combination: disease-ridden; grief-ridden.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.ridden (?r?d?n) vb the past participle of rideadj (in combination) afflicted, affected, or dominated by something specified: damp-ridden; disease-ridden. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014rid?den (?r?d n) v. a pp. of ride. -ridden a combining form meaning ?obsessed with,? ?overwhelmed by? (torment-ridden) or ?burdened with? (debt-ridden). [see ridden] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.