mal·dis·tri·bu·tion (m?l?d?s-tr?-byo?o?sh?n)n. Faulty distribution or apportionment, as of resources, over an area or among a group.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.maldistribution (?mæld?str??bju???n) nfaulty, unequal, or unfair distribution (as of wealth, business, etc)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014