The most common and most likely answer to this crossword clue is the 8 letter word FAREWELL
I've seen this crossword clue in The Times
F
A
R
E
W
E
L
L
More clues leading to the result FAREWELL
- Food source for so long
- Two notes correctly so long
- I'm off food completely
- Food fit for leave-taking?
- In autumn, we’re suffering for so long!
- It’s over the hill, showing abnormal wear internally
- Board attached to spring is so long
- Succeed in taking one’s leave
- Food’s all right for so long
- Are Welsh occupying floor for so long?
Buddy explains!
The straight part
We know that "so long" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case so long = farewell.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 FAREWELL mean?
FAREWELL noun- A wish of happiness or safety at parting, especially a permanent departure
- A departure; the act of leaving
- To bid farewell or say goodbye.
- Parting, valedictory, final.
- Goodbye.