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Definition of whey
whey
/weɪ/
whey
whey Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
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WWF
Wordle Guess
• noun
1
A protein-rich powder or dietary supplement derived from this liquid, commonly consumed by athletes to build muscle.
Example
"He mixed a scoop of chocolate-flavored whey into his bottle of water after finishing his workout."
2
The watery part of milk that separates from the curds during the process of cheese making.
Example
"After adding rennet to the warm milk, the cheesemaker carefully drained the whey from the solid curds."
Synonyms
View all synonyms for whey Antonyms
View all antonyms for wheyWord Nuance & Usage
"Whey" is a homophone for "way" (a path or direction) and "weigh" (to measure mass), which can occasionally cause spelling confusion.
• Rhymes for whey
Word Origin & Etymology
From Old English 'hwæg', of West Germanic origin; related to Middle Dutch 'wey'.
Cite this Entry
Wordmom. (2026). Definition of Whey. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/whey