The most common and most likely answer to this crossword clue is the 6 letter word SCARCE
I've seen this crossword clue in The Guardian
S
C
A
R
C
E
More clues leading to the result SCARCE
- Rare fright when cold is caught
- Hard to get Cliff to join church
- Some miss car centre that’s hard to find
- Hard to find evidence of being wounded by church
- Few panic catching cold
- Alarm about cold rarely encountered
- Uncommon panic about Conservative
- Rare blemish creates exasperation initially
- It’s uncommon for society to worry about carbon
- Rare fright catching cold
Buddy explains!

The straight part
We know that "uncommon" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case uncommon = scarce.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 SCARCE mean?
SCARCE adjective- Uncommon, rare; difficult to find; insufficient to meet a demand.
- Scantily supplied (with); deficient (in); used with of.
- Scarcely, only just.