Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “thick”


adjective [-er/-est only] (CLOSE TOGETHER)   /θɪk/
(of particular things) close together with little space between them: a thick fog She had wonderful , thick, brown hair .
(Definition of thick adjective (CLOSE TOGETHER) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of thick

Definitions of “thick” in other dictionaries

Word of the Day


a good knowledge of something, or the fact that you know it so well

Word of the Day


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