The most common and most likely answer to this crossword clue is the 8 letter word HESITANT
I've seen this crossword clue in The Sunday Telegraph
H
E
S
I
T
A
N
T
More clues leading to the result HESITANT
- This man's with it — worker maybe destined to lose?
- Holding back as it then turned out
- Anything but forthright, disturbing the antis
- Male model with fantastic tan? Not how Trump comes across
- The Saint becomes irresolute
- Isn’t the answer surprisingly tentative?
- Remake of The Saint? That’s doubtful
- Dithering husband in state, confused
- The man’s Italian and worker’s uncertain
- Wavering atheist accepting new changes
Buddy explains!

The straight part
We know that "Dithering" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dithering = hesitant.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 HESITANT mean?
HESITANT adjective- Tending to hesitate, wait, or proceed with caution or reservation.