The most common and most likely answer to this crossword clue is the 3 plus 2 plus 3 letter word ALL IN ALL
I've seen this crossword clue in The Daily Telegraph
A
L
L
I
N
A
L
L
More clues leading to the result ALL IN ALL
- Everything considered, suggesting tall helot?
- Drained a couple of Lakes, considering everything
- On the whole exhausted before melodrama’s last lines
- Taking everything into consideration, answer requires Niall to change lines
- Tired out? Completely, everything considered
- Exhausted? Everyone, on the whole
- On the whole exhausted before melodrama's last lines
- Exhausted — everybody, on the whole
Buddy explains!

The straight part
We know that "everything considered" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case everything considered = all in all.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.