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English definition of “thin”

thin

adjective (TRANSPARENT)    /θɪn/ (thinner, thinnest)
not difficult to see through: thin mist / cloud → Opposite thick adjectiveTransparent thinness     /ˈθɪn.nəs/ noun [U] the thinness of his hair The author discusses why female beauty has become linked to thinness.Small in number and quantityThin or slender (of people)Not fit and healthyNarrow and thin
(Definition of thin adjective (TRANSPARENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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