Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “cosy”


adjective (COMFORTABLE) UK (US cozy)     /ˈkəʊ.zi/ US  /ˈkoʊ-/
B1 comfortable and pleasant , especially (of a building ) because of being small and warm : This room is nice and cosy in the winter . He showed me into a cosy little room .Comfortable and uncomfortable
(Definition of cosy adjective (COMFORTABLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of cosy

Definitions of “cosy” in other dictionaries

Word of the Day


a situation in which two people are friends

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