The most common and most likely answer to this crossword clue is the 9 letter word TENTATIVE
I've seen this crossword clue in The Guardian
T
E
N
T
A
T
I
V
E
More clues leading to the result TENTATIVE
- Experimental shelter Peron set up
- Temporary accommodation? Local heading off unsure
- Shelter at worker’s ‘ome is uncertain
- Cautious figure beginning to triumph with retro musical
- Provisional shelter I have for accommodating volunteers
- Big top musical? Backing provisional
- Nameless local chasing temporary accommodation with no confidence
- Diffident
- Experimental musical mounted under marquee for example
- Provisional camp initially adjoining the Italian village evacuated
Buddy explains!

The straight part
We know that "with no confidence" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case with no confidence = tentative.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 TENTATIVE mean?
TENTATIVE noun- A trial; an experiment; an attempt.
- Of or pertaining to a trial or trials; essaying; experimental.
- Uncertain; subject to future change.