adj. kind·li·er, kind·li·est
1. Of a sympathetic, helpful, or benevolent nature: a kindly interest; a gentle, kindly soul. See Synonyms at kind1.
2. Agreeable; pleasant: a kindly breeze.
a. Archaic Of or relating to a status derived by legal descent from an ancestor.
b. Obsolete Natural to its kind.
1. Out of kindness: She kindly overlooked their mistake.
2. In a kind manner: He spoke kindly to us.
3. Pleasantly; agreeably: The sun shone kindly.
4. In an accommodating manner: Would you kindly fill in your name and address?
5. Obsolete In a way or course that is natural; fittingly.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.