The most common and most likely answer to this crossword clue is the 7 letter word CONCERN
I've seen this crossword clue in The Daily Telegraph
C
O
N
C
E
R
N
More clues leading to the result CONCERN
- Tory heading European research centre? It’s a worry
- Interest created by leader of crusade performing church service
- Business agreement curtailed by Norway
- Business worry
- Feeling of anxiety in business?
- Endlessly show new baby?
- Have something to do with / business
- Baby alarm
- Business worry
- Orchestral performance has new ending — that’s a worry
Buddy explains!

The straight part
We know that "Worry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case worry = concern.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 CONCERN mean?
CONCERN noun- That which affects one’s welfare or happiness. A matter of interest to someone. The adposition before the matter of interest is usually over, about or for.
- The expression of solicitude, anxiety, or compassion toward a thing or person.
- A business, firm or enterprise; a company.
- Any set of information that affects the code of a computer program.
- To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.
- To engage by feeling or sentiment; to interest.
- To make somebody worried.