wing·less (w?ng?l?s)adj. Having no wings or only rudimentary wings.wing?less·ness n.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.wingless (?w??l?s) adj1. having no wings or vestigial wings2. (Animals) designating primitive insects of the subclass Apterygota, characterized by small size, lack of wings, and larvae resembling the adults: includes the springtails and bristletails ?winglessness nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014wing?less (?w?? l?s) adj. 1. having no wings. 2. having only rudimentary wings, as a kiwi. [1585?95] wing?less?ness, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.