The most common and most likely answer to this crossword clue is the 3 plus 4 letter word ICE COLD
I've seen this crossword clue in The Daily Telegraph
I
C
E
C
O
L
D
More clues leading to the result ICE COLD
Buddy explains!

The straight part
We know that "freezing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case freezing = ice cold.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ICE COLD mean?
ICE COLD adjective- As cold as ice; very cold.
- Without emotion; distant.