v. cur·dled, cur·dling, cur·dles
a. To change into curd.
b. To become congealed or lumpy: The sauce curdled in the pan.
2. To become spoiled or transformed into something bad: Warm feelings curdled into distrust.
1. To cause to curdle, congeal, or become lumpy: "The inlet was curdled with slush" (Alyson Carol Hagy).
2. To cause to be spoiled or transformed into something bad: "an event that curdled whatever goodwill the prince had awakened" (Julia Whitty).
[Frequentative of CURD.]
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.