The most common and most likely answer to this crossword clue is the 8 letter word UNBROKEN
U
N
B
R
O
K
E
N
More clues leading to the result UNBROKEN
- Continuing sunny at heart, with no money invested
- Constant peacekeepers sanction spiking gun
- Whole global organisation not working
- Recycling poor sister’s not separated
- French article suitable to put in gun is not surpassed
- Without interruption, like speech that’s fluent?
- Still wild, and in one piece
- Steady player who’s not lost their serve?
- Nun doesn't start being penniless and knight is whole
- Continuous shelling on bunker
Buddy explains!

The straight part
We know that "is whole" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case is whole = unbroken.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 UNBROKEN mean?
UNBROKEN adjective- Whole, not divided into parts.
- Of a horse, not tamed.
- Continuous, without interruption.
- To do the inverse of breaking: to mend, restore, heal or fix.