The most common and most likely answer to this crossword clue is the 3 plus 3 letter word NOT BAD
N
O
T
B
A
D
More clues leading to the result NOT BAD
- Playing bass half-cut? Don’t, OK?
- No date including ‘to be announced’ is acceptable
- Fair comment?
- Bishop to note turnover at today’s fair
- Fair to be arranged with sign outside
- Fine, light touch, heavy weight being lifted
- Spot weightlifting is good
- No date including 'to be announced' is acceptable
- OK taking touch before heavy weight lifted
- Belgium, in no small amount, is pretty good!
Buddy explains!

The straight part
We know that "OK" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ok = not bad.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.