The most common and most likely answer to this crossword clue is the 4 letter word VAST
I've seen this crossword clue in Financial Times
V
A
S
T
More clues leading to the result VAST
- Great seeing first of soldiers in tank
- Huge container filled with spades
- Massive stop after start is annulled
- Huge tank storing sulphur
- Huge tax restricts onset of spending
- Huge supply initially put in tank
- Succeeded cutting tax
- Large container full of sulphur
- Considerable tax cut by Socialist leader
- Massive tax besets Sweden
Buddy explains!

The straight part
We know that "Large" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case large = vast.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 VAST mean?
VAST noun- A vast space.
- Very large or wide (literally or figuratively).
- Very great in size, amount, degree, intensity, or especially extent.
- Waste; desert; desolate; lonely.