The most common and most likely answer to this crossword clue is the 9 letter word CASSANDRA
I've seen this crossword clue in Financial Times
C
A
S
S
A
N
D
R
A
More clues leading to the result CASSANDRA
- Treated as canards — her prophecies were
- Charlie, fool with artillery, one anticipating disaster
- Conservative fool with artillery is one anticipating disaster
- Polish king hiding in house of prophetess
- Treated as canards — her prophecies were!
- She foresaw Conservative fool with gunmen
- Greek who predicted when hospital doctor would settle in California
- Somewhat bombastic ass and rather a doom-monger
- One having prior dope and held in little credit
- Line retracted about idiot, with woman never believed
Buddy explains!
The straight part
We know that "Greek who predicted" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case greek who predicted = cassandra.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.