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adj. un·kind·li·er, un·kind·li·est
Not kindly; unkind.
In an unkind manner.

un·kind′li·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.


literary an unkindly nature or quality
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
But the memory of his disobedience and unkindliness stayed with him, and more than fifty years after, as an old and worn man, he stood bare-headed in the wind and rain for an hour in the market-place, upon the spot where his father's stall had stood.
Israelites who are now to be treated with the maximum of unkindliness but the Israelite nation as a whole, Jesus pronouncing: 'The