The most common and most likely answer to this crossword clue is the 9 letter word DISPARATE
I've seen this crossword clue in Financial Times
D
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S
P
A
R
A
T
E
More clues leading to the result DISPARATE
- Organised parade: it’s essentially different
- Various ideas, part worked out
- With minimal change, criticise becoming fundamentally different
- Utterly different from despair at being abandoned
- Different fruit, one box collected
- Despair at match being unequal
- Unlike leader of industry to argue in meeting
- Different hardships ultimately part of irregularly paid fee
Buddy explains!

The straight part
We know that "Utterly different" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case utterly different = disparate.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 DISPARATE mean?
DISPARATE noun- (chiefly in the plural) Any of a group of unequal or dissimilar things.
- Composed of inherently different or distinct elements; incongruous.
- Essentially different; of different species, unlike but not opposed in pairs; also, less properly, utterly unlike; incapable of being compared; having no common genus.