1. Not giving way to pressure; hard or inflexible: "She lay on the unyielding concrete of the steps" (T. Coraghessan Boyle).
2. Incapable of being changed; unalterable: "the unyielding grip of war" (James Carroll).
3. Not willing to change or be persuaded; resolute: an unyielding champion of civil rights.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.