The most common and most likely answer to this crossword clue is the 6 letter word UNSURE
U
N
S
U
R
E
More clues leading to the result UNSURE
- Central fund issues currency when confidence is lacking
- Insecure nurse embarrassed about uniform
- Sort of sunflower? That’s doubtful
- Doubting one in France will carry on there
- Doubtful Queen will return after occasionally funny slur
- Last thing you will need — silly nurse not knowing what to do?
- Retroverted uterus nurse regarded as somewhat precarious
- Doubtless one wouldn’t be
- It’s suspicious, I will be let go if you stand in guarantee
- You say nurse is bad? That's doubtful
Buddy explains!

The straight part
We know that "doubtful" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case doubtful = unsure.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 UNSURE mean?
UNSURE adjective- Uncertain
- Unstable or precarious