The most common and most likely answer to this crossword clue is the 4 plus 6 letter word ROCK BOTTOM
I've seen this crossword clue in Financial Times
R
O
C
K
B
O
T
T
O
M
More clues leading to the result ROCK BOTTOM
- Stone seat from which one has furthest to rise?
- Music genre behind Nadir
- Astonish with last 26
- Fish on seabed finds lowest possible level
- Shake buttocks for a song
- The lowest point of seabed by Gibraltar …
- Lowest point in Gibraltar?
- Shake one’s booty in place where miners were confined? The lowest of the low
Buddy explains!
The straight part
We know that "lowest possible level" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lowest possible level = rock bottom.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 ROCK BOTTOM mean?
ROCK BOTTOM noun- The very lowest possible level.
- A period of extreme mental stress, often characterized by being homeless and being rejected by all friends and family.
- To fall to the lowest possible level.