thin down
B1 neutral separable both
In simple words
To make something less thick — like adding water to paint to make it runnier — or to lose weight.
Literal meaning: To make something physically thinner.
Meanings
1 B1 neutral
To make a liquid or mixture less thick by adding water or another liquid.
"If the batter is too stiff, thin it down with a little milk."
Grammar: separable
2 B2
idiomatic
informal
To lose weight and become noticeably slimmer.
"He'd really thinned down since the last time I saw him."
Usage notes
Common in cooking and art (thinning paint or sauces). Also used informally to describe someone losing weight. 'Thin down' for weight loss is somewhat informal; 'slim down' or 'lose weight' are more standard.
Commonly used with
paint sauce mixture waist figure stock
Forms
Base
thin down
I/you/we/they
3rd person
thins down
he/she/it
Past simple
thined down
yesterday
Past participle
thined down
have + pp
-ing form
thining down
continuous
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Synonyms
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