These words all refer to weather or temperatures that are lower than what is comfortable.
The most common word for this iscold.Coldcan be used to describe the temperature of many things, such as a room or food.
The opposite ofcoldishot.
I wish it weren't so hot today.
For more opposites ofcold, see the article athot.
If the weather outside is very cold, you can say it isbitterorfreezing.Freezingcan also be used to describe the temperature inside.
Wrap up warmly - it's bitter outside!
It's absolutely freezing in here!
If the weather, especially the wind, is so cold that it is unpleasant to be in, the wordsbitingandicyare sometimes used.
A biting wind blew in her face as she opened the door.
An icy wind whistled across the plain.
Chillyis often used to describe weather or temperatures that feel slightly cold and unpleasant.
It's a bit chilly in here - can you turn up the heating?
If the temperature feels cold but pleasant, you can say that it iscool.
That's a nice cool breeze.
Cold weather in autumn or winter that is dry and pleasant is sometimes described ascrisp.
We walked through the forest on a crisp autumn day.