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English definition of “thin”

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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 soupThin 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 Learners Dictionary © Cambridge University Press)
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