Cryptic crossword clue
Endures a tour in submarine 8

The most common and most likely answer to this crossword clue is the 8 letter word UNDERSEA

I've seen this crossword clue in Financial Times
U
N
D
E
R
S
E
A


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 UNDERSEA mean?

UNDERSEA adjective
  1. Existing, relating to, or made for use beneath the sea.

Latest crossword clues with full explanations