The most common and most likely answer to this crossword clue is the 5 letter word POLAR
P
O
L
A
R
More clues leading to the result POLAR
- Icy, or the opposite?
- River bird stopping short of the far north, perhaps?
- Directly opposed: in general, opening up
- Italian river and lake are almost like the Arctic, say
- Directly opposed cut that’s overturned annual return
- Frozen pieces of lamb and rabbit for starters
- Icy rivers protect city
- In a cold region that reference work places below Poland
- Old nuclear deterrent is missing from the Arctic, say
- Hotel this freezing might make Hartlepool questionable
Buddy explains!

The straight part
We know that "Extremely cold" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case extremely cold = polar.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 POLAR mean?
POLAR noun- The line joining the points of contact of tangents drawn to meet a curve from a point called the pole of the line.
- Of or having a pole or polarity.
- Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole); within the Arctic or Antarctic circles.
- (space sciences) Of an orbit that passes over, or near, one of these poles.
- Having a dipole; ionic.
- Of a coordinate system, specifying the location of a point in a plane by using a radius and an angle.
- (of a question) Having but two possible answers, yes and no.