The most common and most likely answer to this crossword clue is the 13 letter word MEDITERRANEAN
I've seen this crossword clue in The Daily Telegraph
M
E
D
I
T
E
R
R
A
N
E
A
N
More clues leading to the result MEDITERRANEAN
- Body of water airman entered carelessly
- Versatile men are trained for the sea
- Sea in end ate mariner, swimming
- The deep connection between Italy and Libya?
- Men are trained specially for the sea
- Entered marina, churning sea
- The main difference between Italy and Tunisia
- Various men are trained for the sea
- At sea, entered marina leaving sea
- Correct stray article in “Cruel Sea”
Buddy explains!
The straight part
We know that "The deep connection between Italy and Libya" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the deep connection between italy and libya = mediterranean.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.