Cryptic crossword clue
Gratifying resolution of nightmare war 5-7

The most common and most likely answer to this crossword clue is the 5 plus 7 letter word HEART WARMING

I've seen this crossword clue in The Daily Telegraph
H
E
A
R
T
W
A
R
M
I
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G

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 HEART WARMING mean?

HEART WARMING adjective
  1. Eliciting cosy feelings of tenderness and sympathy.

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