—adj. 1. snugly warm and comfortable: a cozy little house. 2. convenient or beneficial, usually as a result of dishonesty or connivance: a very cozy agreement between competing firms. 3. suggesting opportunistic or conspiratorial intimacy: a cozy relationship between lobbyists and some politicians. 4. discreetly reticent or noncommittal: The administrators are remaining cozy about which policy they plan to adopt.
—n. a padded covering for a teapot, chocolate pot, etc., to retain the heat.
—v.t. to make more cozy (often fol. by up): New curtains would cozy the room up a bit.
—v.i. cozy up or up to,Informal. a. to move closer for comfort or affection: Come over to the fire and cozy up a bit. b. to try to become friendly or intimate in order to further one's own ends; attempt to ingratiate oneself: He's always cozying up to the boss.Also,cosy,cozey,co'zie.