hill·bil·ly (h?l?b?l??)n. pl. hill·bil·lies Often Offensive A person from the backwoods or a remote mountain area.[hill + Billy, a nickname for William.]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.hillbilly (?h?l?b?l?) n, pl -lies1. usually derogatory an unsophisticated person, esp from the mountainous areas in the southeastern US2. (Pop Music) another name for country and western[C20: from hill + Billy (the nickname)]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014hill?bil?ly (?h?l?b?l i) n., pl. -lies, adj. usage: This term is usually used with disparaging intent, implying that a person who lives far away from a town or city lacks culture or education. However, the term is sometimes used in a humorous way without intent to offend.? Older Slang: Usually Disparaging. n. 1. (a term used to refer to a person from a backwoods or other remote area, esp. from the mountains of the southern U.S.) adj. 2. of, like, or pertaining to hillbillies: hillbilly humor.[1895?1900, Amer.; hill + Billy, familiar form of William]Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.