The most common and most likely answer to this crossword clue is the 10 letter word ICONOCLAST
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result ICONOCLAST
- Image-breaker’s current scam finally taking in old clubs
- Dissident, stoical, reviewed Tory cuts
- Heretic in occasional outbursts striking a priest’s bottom
- Strange locations featuring intro to Cockney Rebel
- Denouncer‘s unorthodox antics ‘cool’
- Dissenter caught breaking into various locations
- One hostile to Officer Commanding carry-on, say?
- One might be painting destroyer?
- Most of close action destroyed breaker of images
- Various locationsto give one smashing images
Buddy explains!

The straight part
We know that "One might be painting destroyer?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one might be painting destroyer? = iconoclast.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 ICONOCLAST mean?
ICONOCLAST noun- One who destroys religious images or icons, especially an opponent of the Orthodox Church in the 8th and 9th centuries, or a Puritan during the European Reformation.
- One who opposes orthodoxy and religion; one who adheres to the doctrine of iconoclasm.
- (by extension) One who attacks cherished beliefs.