The most common and most likely answer to this crossword clue is the 7 letter word GOODISH
G
O
O
D
I
S
H
Buddy explains!
The straight part
We know that "not bad" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not bad = goodish.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 GOODISH mean?
GOODISH adjective- Rather good than the contrary; not actually bad; tolerable.
- Considerable; goodly.