The most common and most likely answer to this crossword clue is the 10 letter word MEDDLESOME
I've seen this crossword clue in The Times
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More clues leading to the result MEDDLESOME
- Award amount of money, as one might say, for interfering?
- Gong sounded to an extent intrusive
- Interfering half-time director led me so astray
- Sound of gong a bit intrusive
- Interfering in demos, led astray by this writer
- What sounds like gong — thus this person is prying
- Interfering editor seldom bothered author
Buddy explains!

The straight part
We know that "interfering" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case interfering = meddlesome.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 MEDDLESOME mean?
MEDDLESOME adjective- Characterised or marked by meddling; inclined or having a tendency to meddle or interfere in other people's business.