The most common and most likely answer to this crossword clue is the 7 letter word BIZARRE
I've seen this crossword clue in Independent
B
I
Z
A
R
R
E
More clues leading to the result BIZARRE
- Funny business location, mostly around river
- Odd trade followed by Republican in revolutionary period
- One unknown character in pub about to get rum
- Oddball in Spanish island going topless — blunder in retrospect
- Ridiculous-looking brazier worked
- Strange business – police activity with street sealed off
- Strange business a couple of Republicans established initially
- Odd business with a bishop and earl
Buddy explains!

The straight part
We know that "Odd" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case odd = bizarre.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 BIZARRE mean?
BIZARRE adjective- Strangely unconventional in style or appearance.