cozy
adjective
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suggesting connivance“a cozy arrangement with the police”
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enjoying or affording comforting warmth and shelter especially in a small space“a cozy nook near the fire”cosysnug
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having or fostering a warm or friendly and informal atmosphere“had a cozy chat”intimateinformal
noun
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a padded cloth covering to keep a teapot warmcosytea cosytea cozy