Cozy is the usual American spelling of cosy. The meaning is the same: warm, snug, and comfortably small — a cozy room, a cozy blanket, a cozy evening. British English still prefers cosy in careful writing; American English almost always writes the z.

Cozy is the usual American spellingCozy是常見的美式拼法 of cosy也就是cosy。The meaning is the same意思是一樣的： warm, snug, and comfortably small溫暖、舒適、小巧得剛剛好—— a cozy rooma cozy room（一個舒適的房間）、 a cozy blanketa cozy blanket（一條溫暖的毯子）、 a cozy eveninga cozy evening（一個舒適的夜晚）。British English still prefers cosy英式英文還是偏好用cosy in careful writing在正式書寫裡； American English almost always writes the z美式英文幾乎都會寫成z。

People also use it a little loosely, and not always as praise. A cozy deal or a cozy relationship with the people in charge can mean too close, maybe not quite honest.

People also use it a little loosely人們用這個字有時候也比較鬆散， and not always as praise並不總是在稱讚。A cozy dealA cozy deal（一筆過於親密的交易） or a cozy relationship with the people in charge或跟掌權者的a cozy relationship（過從甚密的關係）， can mean too close可能表示走得太近， maybe not quite honest也許不太老實。

As a noun, a cozy is the knitted cover you put on a teapot to keep the heat in (a tea cozy). As a verb, to cozy up to someone is to get close, sometimes just for warmth, sometimes to win a favour.

As a noun當名詞用的時候， a cozy is the knitted covera cozy是那種針織套子 you put on a teapot你套在茶壺上、 to keep the heat in用來保溫 (a tea cozy)（a tea cozy茶壺保溫套）。As a verb當動詞用的時候， to cozy up to someoneto cozy up to someone是指跟某人靠近， sometimes just for warmth有時候只是為了取暖， sometimes to win a favour有時候是為了討好、得到好處。

The spelling with z is American; the extra uses are shared.

The spelling with z用z的拼法 is American是美式的； the extra uses are shared額外的那些用法則是兩邊共用的。