English
CEFR C1
insoluble
Rank #8696 in frequency ranking in frequency
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Meanings & Definitions
adjective
Example Sentences
"The stain is insoluble in regular soap"
"This puzzle seems insoluble to me"
"Don't mix the insoluble powder with water"
"I feel so frustrated by this insoluble dilemma"
"Why is this problem insoluble?"
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