Also found in: Idioms.
A number, percentage, or a group of numbers or percentages, greater than 9 and less than 100: Sales increased by double digits during the holidays. Our team's center has been shooting in double digits all season.
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.
denoting a percentage greater than ten
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
of a percentage amounting to ten or more: double-digit inflation.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.