cold (having a low temperature, especially when compared with the human body): Put on your coat; it’s cold outside.
chill (a moderately cold temperature): There was a chill wind from the sea.
chilly (uncomfortably cold): In the winter, our bathroom becomes chilly.
cool (pleasantly cold, giving relief from heat): It was a hot day, but cool under the trees.
freezing (a temperature below 0° Celsius): Take your gloves; it’s freezing outside.
icy (extremely cold): An icy wind blew in my face.
frigid (extremely cold): Her breath steamed in the frigid air.