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English definition of “cosy”

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cosy

adjective uk UK ( US cozy)   /ˈkəʊ.zi/ us    /ˈkoʊ-/

cosy adjective (COMFORTABLE)

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.
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cosy adjective (TOO CLOSE)

disapproving used to describe a situation that is convenient for those involved but may not be honest or legal: He has some cosy arrangement/deal with his supplier, which means he's able to sell his goods more cheaply.

cosy

noun [C] uk UK ( US cozy)   /ˈkəʊ.zi/ us    /ˈkoʊ-/
a cover that you put on a teapot or a boiled egg to keep it warm: a tea cosy an egg cosy
(Definition of cosy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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