The most common and most likely answer to this crossword clue is the 6 letter word PALTER
P
A
L
T
E
R
Buddy explains!
The straight part
We know that "Haggle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case haggle = palter.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 PALTER mean?
PALTER verb- To talk insincerely; to prevaricate or equivocate in speech or actions.
- To trifle.
- To haggle.
- To babble; to chatter.