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curdle

[kur-dl]
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verb (used with or without object), cur·dled, cur·dling.
  1. to change into curd; coagulate; congeal.
  2. to spoil; turn sour.
  3. to go wrong; turn bad or fail: Their friendship began to curdle as soon as they became business rivals.
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Idioms
  1. curdle the/one's blood, to fill a person with horror or fear; terrify: a scream that curdled the blood.
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Origin of curdle

First recorded in 1580–90; curd + -le
Related formscur·dler, nounnon·cur·dling, adjective, nounun·cur·dled, adjectiveun·cur·dling, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for curdle

thicken, acerbate, condense, clot, turn, spoil, ferment, congeal, coagulate, acidulate, acidify, clabber, curd

Examples from the Web for curdle

Contemporary Examples of curdle

Historical Examples of curdle


British Dictionary definitions for curdle

curdle

verb
  1. to turn or cause to turn into curd
  2. curdle someone's blood to fill someone with fear
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Derived Formscurdler, noun

Word Origin for curdle

C16 (crudled, past participle): from curd
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for curdle

v.

1630s (earlier crudle, 1580s), "to thicken, cause to congeal," frequentative of curd (v.) "to make into curd" (late 14c.; see curd). Of blood, in figurative sense "to inspire horror" from c.1600. Related: Curdled (1590); curdling (c.1700, almost always with reference to blood, in the figurative sense).

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Online Etymology Dictionary, © 2010 Douglas Harper