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English definition of “thin”

thin

adjective     /θɪn/ (thinner, thinnest)
DISTANCE A2 Something that is thin is smaller than usual between its opposite sides : a thin slice of ham The walls are very thin.Measurements of length and distanceSmallExtremely smallThin and fineNarrow and thin
PERSON A2 A thin person or animal has very little fat on their body .Thin or slender (of people)Not fit and healthyNarrow and thinSmallExtremely smallThin and fine
LIQUID A thin substance or liquid has a lot of water in it and flows easily : thin soup Thin and fine
AMOUNT having only a small number of people or a small amount of something: Government troops were very thin along the border . His hair is going thin on top .SmallExtremely small
AIR Thin air does not have enough oxygen in it.Thin and fine
→ See also disappear/vanish into thin air, be thin on the ground, through thick and thin, wear thin
(Definition of thin adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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