The most common and most likely answer to this crossword clue is the 9 letter word CORPORATE
I've seen this crossword clue in The Times
C
O
R
P
O
R
A
T
E
More clues leading to the result CORPORATE
- Joint talk pompously put on my page
- My stripped-down play worried United
- Excitedly to race pro associated with group
- Shared nothing expert raised in case
- Expression of surprise over quiet talk relating to big business
- Joint operator in trouble after cold
- Collective charge applied by my Post Office
- Big firm's awfully poor showing in a case
Buddy explains!

The straight part
We know that "United" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case united = corporate.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 CORPORATE mean?
CORPORATE noun- A bond issued by a corporation.
- A short film produced for internal use in a business, e.g. for training, rather than for a general audience.
- A corporation that franchises, as opposed to than an individual franchise.
- To incorporate.
- To become incorporated.
- Of or relating to a corporation.
- Formed into a corporation; incorporated.
- Unified into one body; collective.
- Related to corporation that franchises rather than an individual franchise.