Cryptic crossword clue
Somehow bear externally chirpy disposition under great pressure 10

The most common and most likely answer to this crossword clue is the 10 letter word HYPERBARIC

I've seen this crossword clue in Financial Times
H
Y
P
E
R
B
A
R
I
C

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 HYPERBARIC mean?

HYPERBARIC adjective
  1. Of, relating to, or utilizing greater than normal pressure (as of oxygen).

Latest crossword clues with full explanations