The most common and most likely answer to this crossword clue is the 10 letter word VOLUNTEERS
I've seen this crossword clue in The Daily Telegraph
V
O
L
U
N
T
E
E
R
S
More clues leading to the result VOLUNTEERS
Buddy explains!
The straight part
We know that "Workers who won’t get ready" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case workers who won’t get ready = volunteers.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 VOLUNTEERS mean?
VOLUNTEERS noun- One who enters into, or offers for, any service of his/her own free will, especially when done without pay.
- One who enters into military service voluntarily, but who, when in service, is subject to discipline and regulations like other soldiers; -- opposed to conscript; specifically, a voluntary member of the organized militia of a country as distinguished from the standing army.
- A person who acts out of his own will without a legal obligation, such as a donor.
- A plant that grows spontaneously, without being cultivated on purpose; see volunteer plant in Wikipedia.
- A native or resident of the American state of Tennessee.