1.
If you say that something is ~ or ~ cold, you are emphasizing that it is very cold.
The cinema was ~.
...a ~ January afternoon.
ADJ emphasis
2.
If you say that you are ~ or ~ cold, you emphasizing that you feel very cold.
‘You must be ~,’ she said.
ADJ: v-link ADJ emphasis
3.
Freezing means the same as ~ point .
It’s 15 degrees below ~.
N-UNCOUNT
4.
see also freeze