The most common and most likely answer to this crossword clue is the 6 letter word UNTIED
I've seen this crossword clue in Independent
U
N
T
I
E
D
More clues leading to the result UNTIED
- Released at one, reversing it in the centre
- Released a Parisian, drawn
- Family member without a day free
- Peacekeepers bound to be loosened
- Made looser – or made one with minimal alteration?
- No longer bound to get involved in duet
- Released bunny, tail end dropped off and on
- Married, the heart gets twisted — no longer hitched?
- … released by peacekeepers and brought together
- Free one with sex brought up
Buddy explains!

The straight part
We know that "free" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case free = untied.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 UNTIED mean?
UNTIED adjective- Not tied; undone
- To loosen, as something interlaced or knotted; to disengage the parts of.
- To free from fastening or from restraint; to let loose; to unbind.
- To resolve; to unfold; to clear.
- To become untied or loosed.
- In the Perl programming language, to undo the process of tying, so that a variable uses default instead of custom functionality.