Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “thin”

thin

adjective (WEAK)    /θɪn/ (thinner, thinnest)
weak or of poor quality: a thin excuse a thin disguise a thin smileWeakness and vulnerability 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 (WEAK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of thin

Definitions of “thin” in other dictionaries

Word of the Day

altruistic

showing a wish to help or bring advantages to others, even if it results in disadvantage for yourself

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More