cosy
Pronunciation: /ˈkəʊzi/
(US cozy)
adjective ( cosier, cosiest; cozier, coziest)
- giving a feeling of comfort, warmth, and relaxation: the flickering lamp gave the room a cosy lived-in air
- (of a relationship or conversation) intimate and relaxed: a very cosy little chat
- not seeking or offering challenge or difficulty; complacent: a cosy assumption among audit firms that they would never go bust
- informal, derogatory (of a transaction or arrangement) beneficial to all those involved and possibly somewhat corrupt: a cosy deal
noun ( plural cosies)
verb ( cosies, cosying, cosied)

Origin:
early 18th century (originally Scots): of unknown origin