The most common and most likely answer to this crossword clue is the 4 plus 5 letter word WRIT LARGE
W
R
I
T
L
A
R
G
E
More clues leading to the result WRIT LARGE
- Legal injunction, substantial, presented THUS?
- Grew frustrated with trial — very clear to see
- Trail grew doubtful, however magnified
- Water girl spilled is clearly visible
- Very obvious court order’s needed over lager being spilt
- Trial grew uncontrollably on a mass scale
- Very obvious! Compose a letter to win heart of mesmerizing gal easily
- Summons by regal order, it's very obvious
- Obvious wart girl treated with a bit of Euthymol
Buddy explains!
The straight part
We know that "on a mass scale" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case on a mass scale = writ large.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.