Cozy \Co"zy\ (k?"z?), a. [Compar. {Cozier} (-z?-?r); superl. {Coziest}.] [Cf. Scot. cosie, cozie, prob. from Gael. cosach abounding in hollows, or cosagach full of holes or crevices, snug, sheltered, from cos a hollow, a crevice.] [1913 Webster] 1. Snug; comfortable; easy; contented. [Written also {cosey} and {cosy}.] [1913 Webster] 2. [Cf. F. causer to chat, talk.] Chatty; talkative; sociable; familiar. [Eng.] [1913 Webster]