Cryptic crossword clue
Effort unrewarded — left in bar at party 5,6

The most common and most likely answer to this crossword clue is the 5 plus 6 letter word SLAVE LABOUR

I've seen this crossword clue in The Guardian
S
L
A
V
E
L
A
B
O
U
R

Buddy explains!

The straight part
We know that "Effort unrewarded" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case effort unrewarded = slave labour.
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.

Latest crossword clues with full explanations