a·kin (?-k?n?)adj.1. Of the same kin; related by blood.2. Having a similar quality or character; analogous.3. Linguistics Sharing a common origin or an ancestral form.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.akin (??k?n) adj (postpositive) 1. related by blood; of the same kin2. (often foll by to) having similar characteristics, properties, etcCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014a?kin (??k?n) adj. 1. of kin; related by blood. 2. allied by nature or inclination; having the same or very similar properties, qualities, preferences, etc. [1580?90] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.