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thin down

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thin down

to become thinner or slimmer. He stopped eating desserts and fatty foods so he could thin down. I have to thin down so I can get into my winter coat.

See also: down, thin

thin someone down

to make someone thinner or slimmer. What you need to thin you down is less, not more. The hospital dietitian tried to thin down the obese man.

See also: down, thin

thin something down

to dilute a fluid. You should thin this down with a little water. Try to thin down this paint a little.

See also: down, thin

thin down

v.

1. To make someone or something thin or thinner: The painter thinned down the paint with turpentine. The designers thinned the shape of the boat down so that it could go faster.

2. To become thin or thinner: I thinned down over the summer, and now my pants are too big.

See also: down, thin