The most common and most likely answer to this crossword clue is the 10 letter word PRECARIOUS
I've seen this crossword clue in Financial Times
P
R
E
C
A
R
I
O
U
S
More clues leading to the result PRECARIOUS
- Expensive clasps are, almost entirely, delicate
- Wobbly teeth about to rot could be thus described?
- Car being introduced earlier, not very unsafe?
- A queen embraced by darling Dicky
- A croupier manipulated wheels? Ultimately that’s risky!
- Prior’s van initially replaced by vehicle that’s unstable
- Insecure favourite embraces a king
- What’s valued about a monarch that’s insecure
- Risky choice to install a Republican
- Unreliable and expensive cover for Alpha Romeo
Buddy explains!

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 PRECARIOUS mean?
PRECARIOUS adjective- Dangerously insecure or unstable; perilous.
- Depending on the intention of another.
- Relating to incipient caries.