a. A fixed, intense dislike; repugnance: formed an aversion to crowds.
b. The cause or object of such a feeling: "I jumped up, and ran out of the room ... because a newspaper writer is my aversion" (Fanny Kemble).
2. The avoidance of a thing, situation, or behavior because it has been associated with an unpleasant or painful stimulus.
3. The act or fact of averting: the aversion of a disaster.
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.