The most common and most likely answer to this crossword clue is the 4 letter word MORE
I've seen this crossword clue in The Guardian
M
O
R
E
More clues leading to the result MORE
- Sir Thomas's quarry bagged by our opponents, sadly
- Extra mushroom left out
- Opponent of Henry VIII to a greater extent
- Lord Chancellor once longer
- I’m worried regular characters are withdrawing a larger amount
- Extra jam, or extra sandwiches
- Extra code missing …
- Extra victim of Henry
- Earth wiped from Scottish weapon again
- Further source of 14?
Buddy explains!

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 MORE mean?
MORE adverb- To a greater degree or extent.
- Used to form the comparative form of adjectives and adverbs.
- In negative constructions: any further, any longer; any more.
- Used in addition to an inflected comparative form.
- A greater number or quantity (of something).
- An extra or additional quantity (of something).
- A carrot; a parsnip.
- A root; stock.
- A plant.
- To root up.