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Definition of curdle
curdle
/ˈkɜːr.dəl/
cur · dle
Adjective:curdled
•Past Simple:curdled
•Past Participle:curdled
•Present Participle:curdling
curdle Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Top 10k
Syllables
2
curdle Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To separate or cause to separate into curds or lumps (especially of milk or a dairy-based liquid).
Example
"Adding lemon juice directly to the hot cream will cause the sauce to curdle."
2
To spoil, sour, or turn unpleasant (of an emotion, mood, or relationship); figuratively, to cause someone's blood to freeze with horror or fear.
Example
"A sudden, piercing shriek from the abandoned house made his blood curdle."
Synonyms
View all synonyms for curdle Antonyms
View all antonyms for curdle• Rhymes for curdle
Word Origin & Etymology
Originating in the 16th century as a frequentative derivative of the noun 'curd', which comes from Middle English 'crudde' (of uncertain, possibly Celtic origin).
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Curdle. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/curdle