v. clashed, clash·ing, clash·es
1. To collide with a loud, harsh, usually metallic noise: cymbals clashing.
a. To meet in violent conflict: armies that clashed on the plain.
b. To be in opposition or disagreement: an eyewitness account that clashed with published reports.
3. To create an unpleasant visual impression when placed together: colors that clash.
To strike together with a loud, harsh, metallic noise.
1. A loud, harsh noise, such as that made by two metal objects in collision.
a. A violent conflict or confrontation.
b. A disagreement or state of opposition: a clash of political ideologies. See Synonyms at conflict.
3. An incongruity or unpleasant juxtaposition of different colors or elements.
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.