The most common and most likely answer to this crossword clue is the 10 letter word JUGGERNAUT
I've seen this crossword clue in Financial Times
J
U
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G
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Buddy explains!
The straight part
We know that "destructive force" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case destructive force = juggernaut.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 JUGGERNAUT mean?
JUGGERNAUT noun- A literal or metaphorical force or object regarded as unstoppable, that will crush all in its path.
- (sometimes derogatory) A large, cumbersome truck or lorry, especially an artic.
- An institution that incites destructive devotion or to which people are carelessly sacrificed.