cozy

(noun) a padded cloth covering to keep a teapot warm. Synonyms: cosy, tea cosy, tea cozy.

(adj) enjoying or affording comforting warmth and shelter especially in a small space. Synonyms: cosy, snug. Examples: "A cozy nook near the fire." "Snug in bed." "A snug little apartment."

(adj) having or fostering a warm or friendly and informal atmosphere. Synonyms: intimate, informal. Examples: "Had a cozy chat." "A relaxed informal manner." "An intimate cocktail lounge." "The small room was cozy and intimate."

(adj) suggesting connivance. Example: "A cozy arrangement with the police."